PART I MYSTIC CURRENT

1

JUNE 2016

The squat wooden fishing boat had been painted a dandy combination of periwinkle and lemon. When the colors were fresh, they had lent the vessel an air of happy tranquility. But that was almost two decades ago. The weathering of sun and sea had beaten out all semblance of vibrancy, leaving the boat looking pale and anemic against the ominous sea.

The two Jamaican fishermen working the Javina gave little thought to her dilapidated exterior. Their only concern was whether the smoky engine would propel them back to their island home before the leaks in the hull overran the bilge pump.

“Quick with the bait while the tuna are still biting.” The elder man stood at the stern while manually deploying a long line over the side. Near his feet, a pair of large silver fish flopped angrily about the deck.

“Not you worry, Uncle Desmond.” The younger man picked up some small chunks of mackerel and slapped them onto a string of rusty hand-forged hooks. “The sun is low, so the fish still bite on the bank.”

“It ain’t the sun that’s waiting for the bait.” Desmond grabbed the remains of the baited line and dropped it over the side, tying off the end to a cleat on the gunwale. He stepped toward the wheelhouse to engage the throttle but stopped and cocked his ear. A deep rumble, like rolling thunder, sounded over the boat’s old diesel motor.

“What is it, Uncle?”

Desmond shook his head. He noticed a dark circle of water forming off the port beam.

The Javina creaked and groaned from the invisible hand of a submerged shock wave. A frothy ball of white water erupted a short distance away, spraying a dozen feet into the air. It was followed by a bubbling concentric wave that seemed to rise off the surface. The wave expanded, encompassing the fishing boat and lifting it into the sky. Desmond grabbed the wheel for balance.

His nephew staggered to his side, his eyes agape. “What is it?”

“Something underwater.” Desmond gripped the wheel with white knuckles as the boat heeled far to one side.

The vessel hung on the verge of flipping, then righted itself as the wave subsided. The Javina settled back to a calm surface as the wave dissipated in a circular path of boiling froth.

“That was crazy,” his nephew said, scratching his head. “What’s happening way out here?” The small boat was more than twenty miles from Jamaica, the island’s coastline not quite visible on the horizon.

Desmond shrugged as he turned the boat away from the receding eruption’s epicenter. He motioned off the bow. “Those ships ahead. They must be searching for oil.”

A mile from the Javina, a large exploration ship tailed a high-riding ocean barge down current. An orange crew boat motored slightly ahead of the ship. All three were headed for the Javina—or, more precisely, the point of the underwater explosion.

“Uncle, who says they can come blasting through our waters?”

Desmond smiled. “They got a boat that big, they can go anywhere they want.”

As the small armada drew closer, the waters around the Javina became dotted with white bits of flotsam arising from the deep. They were bits of dead fish and sea creatures, mangled by the explosion.

“The tuna!” the nephew cried. “They kill our tuna.”

“We find more someplace else.” Desmond eyed the exploration ship bearing down on them. “I think it best we leave the bank now.”

“Not before I give them a piece of my mind.”

The nephew reached over and spun the wheel hard to port, driving the Javina toward the big ship. The blue crew boat noted the course change and sped over, pulling alongside a few minutes later. The two brown-skinned men in the crew boat didn’t appear Jamaican, which was confirmed when they spoke in oddly accented English.

“You must leave this area now,” the boat’s pilot ordered.

“This is our fishing grounds,” the nephew said. “Look around. You kill all our fish. You owe us for the fish we lose.”

The crew boat pilot stared at the Jamaicans with no hint of sympathy. Pulling a transmitter to his lips, he placed a brief call to the ship. Without another word to the fishermen, he gunned the motor and drove the crew boat away.

The massive black hulk of the exploration ship arrived a short time later, towering over the Javina. Undaunted, the fishermen yelled their complaints to the crewmen scurrying about the ship’s decks.

None paid any attention to the dilapidated boat bobbing beneath them until two men stepped to the rail. Dressed in light khaki fatigues, they studied the Javina momentarily, then raised compact assault rifles to their shoulders.

Desmond rammed the throttle ahead and spun the wheel hard over as he heard two quick thumps. His nephew stared frozen as a pair of 40mm grenades, fired from launchers affixed to the assault rifles, slammed onto the open deck and bounced about his feet.

The wheelhouse vaporized into a bright red fireball. Smoke and flames climbed into the warm Caribbean sky as the Javina wallowed on her broken keel. The pale-blue-and-yellow fishing boat was charred black as she settled quickly by the bow.

For a moment, she seemed to hesitate, and then the old vessel rolled in a faint farewell and disappeared under the waves.

2

JULY 2016

Mark Ramsey allowed himself a slight grin. He could hardly contain his sense of euphoria as he sped past the grandstand. The gritty smell of gasoline and burnt rubber tickled his nostrils, while the cheers of a trackside crowd were just audible over the roar of his motorcar. It wasn’t just the sensation of racing on an open track that gave him joy. It was his leading position with two laps to go that thrilled the wealthy Canadian industrialist.

Driving a 1928 Bugatti Type 35 Grand Prix racer in a vintage-class oval race, he had been the odds-on favorite. The light and nimble French blue Bugatti, with its iconic horseshoe-shaped radiator, had been one of the most successful racing marques of its day. Ramsey’s supercharged straight-eight engine gave him a healthy boost against the competition.

He had quickly separated himself from the field of assorted old cars, save for a dark green Bentley that tailed several lengths behind. The heavy British car, carrying an open four-seat Le Mans body, was no match for the Bugatti through the Old Dominion Speedway’s banked turns.

Ramsey knew he was home free. Easing out of the second turn, he floored the accelerator, roaring down the main straightaway and lapping a Stutz Bearcat. A white flag caught his eye, waved by the starter atop a flag stand, signaling the final lap. Ramsey allowed himself a sideways glance at the crowd, not noticing that the pursuing Bentley had crept closer.

Braking and downshifting with the racer’s heel-and-toe foot maneuver, he guided the Bugatti in a low arc through the next turn. The heftier Bentley was forced to follow higher, losing precious distance. But coming out of the turn, the Bentley cut a sharp line onto the backstretch and let out a bellow. Equipped with a Rootes supercharger, which protruded from the front crankcase like a silver battering ram, the Bentley howled as its driver mashed the accelerator before upshifting.

Ramsey glanced at a dash-mounted mirror. The more powerful Bentley had closed within two lengths, its imposing blunt radiator filling the image. He held the accelerator down through the backstretch as long as he could, braking late and hard, before throwing the Bugatti into the final turn.

Behind him, the Bentley fell back as its driver braked earlier and entered the turn wide. Its tires squealed as they fought for grip while chasing the Bugatti through the turn. The Bentley’s driver was no slouch. He was driving the big demon at its limit.

Ramsey tightened his grip on the wheel and muscled the Bugatti through the curve. His own late braking had sent him on an awkward line through the turn. Trailing his own brakes to hold his turn, he was angered to hear the wail of the “Blower” Bentley accelerating from behind him.

The Bentley was high on the track, but its driver had aligned its wheels to exit the corner. Ramsey dug hard through the turn, then was flat on the gas the instant he could unwind his steering wheel. The shrieking Bentley had almost closed the gap and was on his rear fender as they hit the homestretch.

It was a classic fight to the finish, pitting lightweight finesse against brute power. The Bugatti’s 140-horsepower motor was a hundred fewer than the Bentley, but the British car tipped the scales at a ton heavier.

Both cars surged toward the 100-mile-per-hour mark as they stretched for the finish line. Ramsey saw the flagman wildly waving the checkered flag and he felt his heart pounding. The Bugatti still held the lead, but the Bentley was inching alongside. Racing fender to fender, the two ancient vehicles roared down the track, mechanical dinosaurs from a more elegant age.

The finish line approached and brute power held sway. The Bentley lunged ahead at the last instant, nipping the Bugatti by inches. As the larger car edged by, Ramsey glanced at the Bentley’s cockpit. The driver appeared totally relaxed at the moment of victory, his elbow casually cast over the door sill. Breaking protocol, Ramsey charged ahead of the field as the entrants took a cooldown lap before heading to the pits.

Ramsey parked the Bugatti next to his customized luxury bus and oversaw his crew of mechanics as they checked the car and placed it in a covered trailer. He watched curiously as the Bentley pulled to a stop nearby.

There were no trailers or team of mechanics tending to the British car. Just an attractive woman with cinnamon hair waiting for the victor, sitting in a folding chair with a toolbox and a cooler at her feet.

A tall, lean man climbed out of the Bentley and collected a passionate hug from the woman. Pulling off his racing helmet, he ran his fingers through a thick mat of black hair that framed a tan and rugged face. He looked up as Ramsey approached and extended a hand.

“Congratulations on the win,” Ramsey said, muting his disappointment. “First time anybody’s taken me in the Bugatti.”

“This old warhorse found a burst of energy on the last lap.” The driver patted the Bentley’s fender. His sea-green eyes nearly matched the color of the car and burned with an intelligence Ramsey had rarely observed. The driver had the look of a man who lived and played hard.

Ramsey smiled, knowing full well it was the driver, not the car, that had beaten him.

“My name’s Mark Ramsey.”

“Dirk Pitt,” the driver said. “This is my wife, Loren.”

Ramsey shook hands with Loren, noting she was even more attractive up close.

“I love your Bugatti,” she said. “Such a sleek car for its day.”

“Fun to drive, too,” he said. “That particular car won the Targa Florio in 1928.”

As he spoke, his team of mechanics pushed the French car into the back of a semitrailer truck. Loren recognized the logo, emblazoned on the side, of a red grizzly bear with a pickax in its teeth.

“Mark Ramsey… you’re the head of Bruin Mining and Exploration.”

Ramsey looked askance at Loren. “Not many people know me in the States.”

“I was on a recent delegation that toured your gold mine on the Thompson River in British Columbia. We were impressed by the environmental consciousness that surrounds the entire operation.”

“Mining has had a poor track record, but there’s no reason that can’t change. Are you a congresswoman?”

“I represent the Seventh District of Colorado.”

“Of course, Representative Loren Smith. I’m afraid I was out of town when the U.S. congressional delegation toured. My misfortune, I should say. What was your interest in the operation, if I may ask?”

“I serve on the House Subcommittee on the Environment, and we are examining new ways of managing our natural resources.”

“Please let me know if there is any way I can be of help. We’re always looking at safe ways to mine the earth.”

“That’s very good of you.”

Pitt picked up Loren’s folding chair and placed it in the rear of the Bentley. “Mr. Ramsey, would you care to join us for dinner?”

“I’m afraid I have to catch a plane to Miami to meet with some clients. Perhaps next time I’m in Washington.” He eyed Pitt with a dare. “I’d like another go at you and your Bentley.”

Pitt smiled. “Nobody has to ask me twice to get behind the wheel.”

Pitt climbed in and restarted the Bentley. Loren joined him a moment later.

Ramsey shook his head. “You don’t have a trailer?”

“The Bentley’s as good on the street as it is on the track,” Pitt grinned, gunning the car forward. Both occupants waved as Ramsey stared back.

Loren turned to Pitt and smiled. “I don’t think Mr. Ramsey was too impressed with your maintenance crew.”

Pitt reached over and squeezed his wife’s knee. “What are you talking about? I’ve got the sexiest crew chief on the planet.”

He collected his winner’s trophy at the gate, then rumbled out of the Manassas, Virginia, track grounds. Passing the nearby Civil War battlefield site, he turned onto Interstate 66 and made a beeline toward Washington, D.C. The Sunday afternoon traffic was light, and Pitt was able to cruise at the speed limit.

“I forgot to tell you,” Loren shouted over the roar of the open car, “I got a call from Rudi Gunn while you were on the track. He needs to talk to you about a situation he’s monitoring in the Caribbean.”

“Can it wait until tomorrow?”

“He called from the office, so I told him we’d stop by on the way home.” Loren smiled at her husband, knowing his disinterest was only a bluff.

“If you say so.”

Reaching the suburb of Rosslyn, Pitt turned onto the George Washington Parkway and followed it south along the Potomac. The white marble edifice of the Lincoln Memorial gleamed in the fading sunlight as he turned into the entrance of a towering green glass building. He drove the Bentley past a guard station and parked in an underground garage near a keyed elevator, which they rode to the tenth floor.

They had entered the headquarters of the National Underwater and Marine Agency, the federal department tasked with stewardship of the seas. As NUMA’s Director, Dirk Pitt oversaw a large staff of marine biologists, oceanographers, and geologists who monitored the oceans from a fleet of research ships across the globe. The agency also used ocean buoys, gliding submersibles, and even a small squadron of aircraft, all linked to a sophisticated satellite network, that allowed constant monitoring of weather, sea states, and even oil spills in nearly real-time fashion.

The elevator doors opened onto a high-tech bay that housed the agency’s powerful computer center. A quietly humming IBM Blue Gene supercomputer system was concealed behind a high curved wall that faced Loren and Pitt. Extending across the face of the wall was a massive video display, illuminating a dozen or more color graphics and images.

Two men were engaged at a central control table in front of the video wall. The smaller of the two, a wiry man with horn-rimmed glasses, noticed Loren and Pitt enter and bounded over to greet them.

“Glad you could stop by,” Rudi Gunn said with a smile. An ex — Navy commander who had graduated first in his class from the Naval Academy, he served as Pitt’s Deputy Director. “Any luck at the track?”

“I think I would have made the late W. O. Bentley proud today.” Pitt smiled. “What brings you boys into the office on a Sunday?”

“An environmental concern in the Caribbean. Hiram can tell you more, but there appears to be a pattern of unusual dead zones cropping up south of Cuba.”

The trio stepped over to the control table, where Hiram Yaeger, NUMA’s head of computer resources, sat pecking at a keyboard.

“Afternoon, Mr. and Mrs. Pitt,” he said without looking up. “Please grab a seat.”

An ardent nonconformist, Yaeger wore his long hair wrapped in a ponytail and dressed like he had just staggered out of a biker bar. “Sorry to intrude on your weekend, but Rudi and I thought you might want to be aware of something we picked up on satellite imagery.”

He pointed to the top corner of the video wall where a large satellite image of the Gulf of Mexico and the Caribbean Sea dominated the screen. “That’s a standard photographic view. Now we’ll go to a digitally enhanced image.”

A second photo appeared, which overlapped the original with brilliant colors. A bright red band arced across the eastern Gulf Coast shoreline.

“What does the red enhancement indicate?” Loren asked.

“A dead zone, judging by its intensity, off the Mississippi River,” Pitt said.

“That’s right,” Gunn said. “Satellite imagery can detect changes in the light reflection off the ocean’s surface, which provides an indication of the water’s organic content. The seas off the Mississippi River Delta are a textbook dead zone. Rich nutrients in the river from fertilizers and other chemical runoffs create explosive growths of plankton — algae blooms. This in turn depletes the water’s oxygen content, leading to hypoxic conditions that kill all marine life. The area off the Mississippi Delta is a notorious dead zone that’s concerned scientists for many years.”

Loren noted the lingering bands of magenta that discolored the coastal waters from Texas to Alabama. “I had no idea it was so pervasive.”

“The intensity is fairly localized at the delta,” Gunn said, “but you can see the widespread effects.”

“That’s well and good,” Pitt said, “but we’ve known about the Mississippi dead zone for years.”

“Sorry, chief,” Yaeger said. “We’re actually focused a little farther south.”

He pointed to a trio of burgundy blotches that dotted the waters northwest of Jamaica. The patches were spread across an irregular line, extending past the Cayman Islands to near the western tip of Cuba.

Yaeger tapped at his keyboard, zooming in on the area. “What we have is an odd series of dead zones that have cropped up rather suddenly.”

“What does the maroon color signify?” Loren asked. “And why do the spots get darker as they progress to the northwest?”

“It appears to be another burst of phytoplankton growth,” Gunn said, “but much higher in intensity than we saw in the Mississippi Delta. They were fast-forming but may be somewhat temporary in nature.” He nodded at Yaeger, who brought up a series of satellite images.

“This is something of a time-lapse view,” he said, “starting about three months ago.”

The initial photo showed no anomalies. A brightly hued spot appeared in the next image, then two more burgundy patches in the following photos. As each new dead zone appeared, the earlier spots faded slightly.

“There’s some sort of sharp impact that is gradually diluted but is soon followed by another outbreak at a different location. As you can see, there seems to be a pattern from southeast to northwest.”

Pitt eyed the multiple dead zones as they progressed. “What’s odd is that they are far from any landmass. They aren’t the result of pollution from river runoffs.”

“Precisely,” Gunn said. “It doesn’t make a lot of sense.”

“Could someone be dumping pollutants at sea?” Loren asked.

“It’s possible,” Gunn said, “but why would someone go to all these locations? A criminal polluter would likely just dump in one spot.”

“What got our attention were the related fish kills and the apparent progression of the disturbances toward the Gulf of Mexico. We’ve found numerous media reports in Jamaica, the Caymans, and even Cuba, reporting large quantities of dead fish and marine mammals washing ashore miles away from the visible zones. We can’t say for sure there is a connection, but if so, the impact may be much more acute than appears on the images.”

Loren looked back at the view off Louisiana. “The Gulf Coast can hardly afford a new environmental catastrophe on the heels of the BP oil spill.”

“That’s precisely our concern,” Gunn said. “If these dead zones begin sprouting in the Gulf of Mexico at the intensity we’re witnessing here, the results could be devastating.”

Pitt nodded. “We need to find out what’s creating them. What do our hydrographic buoys have to say?”

Yaeger brought up a new screen, showing a global schematic. Hundreds of tiny flashing lights peppered the map, representing NUMA sea buoys deployed around the world. Linked to satellites, the buoys measured water temperature, salinity, and sea states, with the data constantly downloaded to Yaeger’s computer center. He zeroed in on the Caribbean, highlighting a few dozen buoys. None were located near the dead zones.

“I’m afraid we don’t have any markers in the wake of the dead zones,” Yaeger said. “I checked the status of those closest, but they didn’t reveal anything unusual.”

“We’ll need to get some resources on-site,” Pitt said. “How about our research vessels?”

“The closest vessel of size would be the Sargasso Sea.” Yaeger converted the screen to show the fleet of NUMA-deployed research ships.

“She’s in Key West, supporting an Underwater Technology project that Al Giordino is leading,” Gunn said. “Do you want me to call him and reassign the ship to investigate?”

Yaeger rolled his eyes. “Al will love that.”

Pitt stared at the map. “No, that won’t be necessary.”

Loren saw the look in her husband’s eyes and knew exactly what he was thinking.

“Oh, no,” she grimaced, while shaking her head. “Not the lure of the deep again.”

Pitt could only gaze at his wife and smile.

3

The Revolution Day party wound down early. It had been sixty-three years since Fidel Castro and a band of rebels attacked an Army barracks in Santiago, setting off the eventual overthrow of Cuban leader Fulgencio Batista. These days, there seemed little worth celebrating. The economy was still in tatters, food was in short supply, and the technological leaps the rest of the world enjoyed seemed to be passing the country by. On top of that, rumors were rampant, yet again, that El Comandante was near his last breath.

Alphonse Ortiz drained the mojito, his sixth of the night, and weaved his way toward the door of the stylishly furnished apartment.

“Leaving so soon?” the party’s hostess asked, apprehending him at the door. The wife of the Agriculture Minister, she was a buxom woman buried under a mask of heavy makeup.

“I must be fresh for a speech tomorrow at Martí Airport, recognizing its recent expansion. Is Escobar about?”

“Over peddling influence with the Trade Minister.” She nodded at her husband across the room.

“Please give him my regards. It was a splendid party.”

The woman smiled at the false compliment. “We’re happy you could join us. Good luck with your speech tomorrow.”

Ortiz, a highly regarded Cuban vice president on the powerful Council of State, gave a wobbly bow and escaped out the door. Five hours trapped conversing with half the Cuban cabinet had left him hungering for fresh air. Easing himself down three flights of stairs, he crossed an austere lobby and stepped onto the street. A blast of warm air greeted him, with the sounds of revelers celebrating the national holiday.

Ortiz stepped across the crumbling sidewalk and waved at a parked black sedan. Its headlights popped on and the Chinese-made Geely zipped up to the curb. Ortiz opened the rear door and collapsed into the backseat.

“Take me home, Roberto,” he said to the wrinkled man at the wheel.

“Did you enjoy the party?”

“About as much as I savor a migraine. Stupid fools just want to relive the past. Nobody in our government bothers thinking about tomorrow.”

“I think the president does. He likes your thinking. One day, he puts you in charge.”

It was a possibility, Ortiz knew. There was a short list of possible successors waiting for Raúl Castro to retire in 2018, and he knew his name was on it. That was the only reason he had attended the Revolution Day party and made nice with the other cabinet ministers. When it came to politics, you could never have too many allies.

“One day, I’ll be in charge of a rocking chair,” he mused to his driver. He leaned back in his seat and closed his eyes.

Roberto grinned as he pulled into traffic and threaded his way out of downtown Havana. A moment later, a rugged six-ton Kamaz military truck stopped near the front of the apartment building. A soldier in olive drab fatigues emerged from the shadows of an adjacent doorway and climbed into the truck.

He nodded toward the departing black sedan. “The target is live.”

The driver stepped on the gas, cutting off a motorcyclist as he veered down the street. A block ahead, the Geely skirted past the Museo Napoleónico before turning onto Avenue La Rampa and driving across the western suburbs. While many high-ranking government officials lived in luxury city apartments, Ortiz maintained his residence in a modest hilltop home outside Havana that overlooked the sea.

The traffic and city lights gradually fell away as the Geely motored through an agricultural area of cooperative tobacco and cassava farms. The military truck, having trailed through the city at a discreet distance, closed the gap and rode up tight on the sedan’s bumper.

Roberto, who had worked as a chauffeur for sixty of his seventy-five years, didn’t flinch. The unlit road was a haven for stray dogs and goats, and he wasn’t going to risk a collision on account of an anxious tailgater.

The truck hung tight for a mile until the road curved up a sweeping hillside. With a noisy downshift, the truck drifted into the opposing lane and charged alongside the Geely.

Roberto glanced out his window and noted a star-shaped emblem on the door. A Revolutionary Army vehicle.

The truck surged slightly ahead, then veered sharply into the Geely’s lane, smacking into the sedan’s front fender.

Had Roberto possessed the reflexes of a younger man, he might have braked hard and quick enough to slip back with minimal damage. But he was a touch too late, allowing the heavy truck to shove the car across the road.

The sedan slammed into a rusty side rail, producing a trail of sparks.

The truck showed no mercy, pinning the Geely against the steel barrier in hope of propelling it over or through the rail, then down the hillside. But as the vehicles exited the curve, the side rail came to an end, replaced by a series of squat concrete pillars. The sedan slid past the side rail and smashed head-on into the first concrete post.

The car struck with a loud clap that echoed across the landscape. On the opposite hill, a young ranch hand was startled awake by the crash. Sitting upright in an open lean-to he shared with a dozen goats, he peered toward the road beyond. An Army truck was skidding to a halt just past a mangled car. One of the car’s headlights still shone, illuminating the truck a few yards ahead. The boy grabbed his sandals to go lend help, then stopped and watched.

A man in fatigues emerged from the truck. The soldier glanced around as if ensuring no one was watching, then strode toward the car, a flashlight in one hand and a dark object in the other.

Inside the car, Ortiz groaned from the pain of a separated shoulder and a broken nose, having been flung into the headrest. He gathered his senses as warm blood flowed down his chin. “Roberto?”

The driver sat motionless, slumped over the wheel. Roberto’s neck had snapped, killing him instantly, after he had rocketed into the windshield. The Chinese export car had no air bags.

As reality sank in, Ortiz sat up and saw the Army truck through the shattered windshield. He wiped his bloodied face and watched as the soldier approached, carrying a dark object.

“Help me. I think my arm is broken,” he said as the soldier pried open the passenger door.

The soldier gave him a cold gaze and Ortiz realized he was not there to offer aid. Sitting helpless, he watched as the soldier raised his arm and swung at him with the object. An instant before it crushed his skull, the minister recognized it as an ordinary tire iron.

4

The diver thrust his legs in a scissors kick, propelling his body swiftly through the clear water. He kept his face down to scan the sandy seafloor that stretched before him like a ragged beige carpet. Detecting a movement on the bottom, he slowed, angling toward the object. It wasn’t a fish but something resembling a huge, brightly colored crab.

The creature traveled on long, spider-like appendages that seemed to rotate along its sides. It emitted a faint blue glow from its eyes, which peered coldly ahead. The diver followed the mock crab as it crawled toward a high protrusion of coral. The crab butted against the coral, then backtracked and tried again. Once more the coral stopped its progress.

The diver watched the crab repeat the movement several times before swimming close and swatting its back. Its blue eyes turned black and its legs stopped clawing. The diver grabbed the crab, tucked it under one arm, and kicked to the surface.

He broke the water amid a gentle swell, close to a modern research ship painted bright turquoise. Side-swimming to a hydraulic dive platform off the stern, he deposited the crab and hoisted himself aboard.

Al Giordino was a short man with the burly build of a professional wrestler combined with the toughness of an elder crocodile. His muscular arms and legs fairly burst the seams of his wetsuit as he rose to his feet, spit out his regulator, and yanked off his dive mask. He brushed away a lock of curly brown hair plastered to his forehead and waved to a man on deck to raise the dive platform.

A minute later, the platform creaked to a stop at deck level. Giordino gathered up the crab with an irksome look and stomped onto the deck. He froze at the sight of the crewman who had raised the platform. It was Dirk Pitt.

Giordino grinned at the sight of his boss and old friend. “Escaped from the tower of power again, I see.”

“Just making sure the NUMA technology budget isn’t being spent on cheap rum and dancing girls.”

Giordino shot Pitt a pained look. “I told you, I’ve sworn off cheap rum since my last pay raise.”

Pitt smiled as he helped Giordino remove his tank and weight belt. Friends since childhood, the two had worked together for years, forging a bond tighter than brothers. As founding employees of NUMA, their underwater scrapes were legendary within the agency. Giordino now headed up NUMA’s Underwater Technology division, spending much of his time field-testing new remote sensing devices and submersible vehicles.

Pitt nodded toward the mechanical crab. “So who’s your arachnoid friend?”

“We call it the Creepy Crawler.” Giordino placed it on a workbench and began stripping off his wetsuit. “It’s designed for extended deepwater survey duty.”

“Power source?” Pitt asked.

“A small fuel cell, which processes hydrogen from seawater. We designed it to crawl across the bottom of the murky depths for upward of six months. We can deploy it from a submersible or even drop it over the side of a ship. With preprogrammed guidance, it will crawl along a directed path until reaching a designated end point. Then she’ll float to the surface and emit a satellite signal that tells us where to pick her up.”

“I assume she’s recording her travels?”

Giordino patted the mechanical creature. “This one’s loaded with a battery of sensors and a video camera, which is activated at periodic intervals. We have a half dozen more in the lab that can be configured with a variety of sensing devices, depending on the mission.”

“Might come in handy when we get to the Cayman Trench.”

Giordino arched a brow. “I figured you didn’t come down to Key West for lunch and a drink at Sloppy Joe’s. Why the Cayman Trench?”

“It’s near the heart of a string of dead zones that have cropped up in a line between Jamaica and the western tip of Cuba.” Pitt summarized his meeting with Gunn and Yaeger in Washington.

“Any idea of the source?” Giordino asked.

“None. That’s why I want to get on-site and have a look.”

“If it’s man-made, we’ll find it,” Giordino said. “When do we leave?”

“Captain says we can shove off in an hour.”

Giordino gave a wistful gaze toward Duval Street and its line of raucous bars, then tucked the Creepy Crawler under his arm.

“If that’s the case,” he said with a disheartened tone, “I’d better find my friend a new brain before he’s cast to the depths again.”

He walked across the deck, leaving a trail of wet footprints behind him.

5

The suffocating darkness six hundred feet beneath the surface of the ocean had vanished. Banks of LED lights, encased in titanium housings capable of withstanding the crushing pressure, cast a bright glow on the undulating seafloor’s stark landscape. A silver-scaled tarpon swam by and eyed a curious array of scaffolding that towered under the lights before darting into the more familiar blackness.

The structure resembled a lighted Christmas tree that had toppled to one side. Or so thought Warren Fletcher, who peered through a small acrylic window that was as thick as his fist. The veteran commercial diver was perched in a large diving bell that was suspended fifty feet above the seabed by a cable from a support ship.

Working in the alien world at the bottom of the sea fascinated Fletcher. He found an odd tranquility working in the cold dark deep. It kept him active in the grimy, dangerous business of commercial diving years after his original dive partners had retired. For Fletcher, the siren of the deep still summoned.

“You ready for your next dive, Pops?” The helium-rich air circulating through the diving bell gave the voice a high-pitched warble.

Fletcher turned to a walrus-shaped man named Tank who was coiling an umbilical hose across a rack. “There ain’t a day I’m not, Junior.”

Tank grinned. “Brownie’s on his way back, should be up in five.”

As the designated bellman, Tank was responsible for assisting his two divers with their equipment and for manning their life-sustaining umbilicals. The trio would work an eight-hour shift before being hoisted to the surface ship Alta. There they were transferred to prison-like living quarters in a steel saturation chamber that maintained the pressure of the seafloor.

Keeping the divers under constant pressure avoided the need for decompression cycles after every dive. Captives of deep pressure, the men were disciples of saturation diving, where their bodies adjusted to an infusion of nitrogen that might last for days or even weeks. At the end of the job, the men would undergo a single extended decompression cycle before seeing the light of day again.

The purpose behind their dives was the age-old quest for oil. Fletcher and his crewmates were several days into a weeklong project to fit a test wellhead and riser onto the seafloor. A drill ship would then hover over the site and bore through the sediment in hope of striking oil. Fletcher and his cohorts were laying the foundation for the third test well their Norwegian employer had attempted in the last six months.

Under license from the Cuban government, the exploration company had been given the right to explore a promising tract of territorial waters northeast of Havana. Petroleum experts believed a huge, untapped trove of oil and gas reserves lay off the Cuban coastline, but the Norwegian firm was batting zero. Its first two test wells had come up dry.

“You think the Alta will run us into Havana when we pop the chamber?” Tank asked.

Fletcher nodded but was only half listening. His attention focused on a faint light that appeared beyond the wellhead site. He turned and looked down the diving bell’s trapdoor, spotting the light of Will Brown working his way up to the chamber. He turned back to the viewport as the other light grew closer, splitting into two beams. As the object approached the base of the wellhead riser, Fletcher could see it was a small white submersible.

The submersible slowly ascended, traveling close enough that Fletcher could see its pilot. The submersible carried a thick plate-shaped disk on its articulated arm like a waiter carrying a tray.

As the vessel rose out of view, Fletcher cocked his head toward the ceiling. “Shack, who just did a drive-by?”

An unseen voice from the Alta replied, “You got company down there?”

“Just got buzzed by a submersible.”

There was a long pause. “It’s not ours. You sure you ain’t seeing things, Pops?”

“Affirmative,” Fletcher said, annoyed.

“We’ll keep our eyes open to see if anyone comes ’round to collect her.”

Tank kept reeling in the umbilical as Brown swam closer. The open floor hatch fed through a short tube to a second external hatch, also open. The pressurized interior, fed oxygen and helium from the surface, matched the pressure of the water depth and kept the chamber from flooding.

With his helmet-mounted dive light leading the way, the shadowy figure of Brown approached and popped his head through the interior hatch.

Tank and Fletcher pulled Brown up through the hatch, setting him on the deck with his feet dangling in the water. The diver carefully removed his fins while Tank unhooked his umbilical, which had provided Brown a cocktail mixture of breathing gases and also cycled a stream of hot water through his drysuit.

Removing his faceplate, the diver took a deep breath, then spoke through chattering teeth. “Cold as penguin crap down there. Either there’s a kink in the hot-water line or the boys upstairs turned down the thermostat.”

“Oh, you wanted hot water through there?” Tank pointed at the umbilical. “I told them you needed some air-conditioning.” He laughed and handed Brown a thermos of hot coffee.

“Very funny.” The diver unclipped a large wrench from his weight belt and handed it to Fletcher. “I almost have the base flange mounted. You won’t have any problem finishing up.”

A loud rumble rattled through the diving bell. A second later, Tank and Fletcher were thrown off their feet as a concussive blast rocked the bell. Tank yelled as Brown’s coffee scalded his neck. Fletcher grabbed the umbilical rack and hung on while the diving bell swayed. It felt like a giant hand had grabbed the bell and was shaking it like a snow globe.

“What’s going on?” Brown yelled as the other two fell across his prone body.

“Something on the surface,” Fletcher muttered, still gripping the wrench. He felt an upward jerk, then the lights went out and the shaking stopped. His face was near a viewport and he instinctively looked out. For an instant, the wellhead lights were strangely bright, then they blinked out. It took him a second to realize what was wrong. The bell had been jerked toward the wellhead and was falling forward.

“Seal the hatch! Seal the hatch!” he yelled, dropping to his knees.

A small red auxiliary light popped on, providing dim illumination, as an emergency alarm wailed. Brown’s legs were still dangling through the exterior hatch.

Fletcher grabbed the diver and pulled him to the side. Tank had regained his senses enough to slam down and tighten the interior hatch. An instant later, the diving bell struck a hard object. A groan of stressed metal beneath their feet reverberated through the interior.

The diving bell hesitated, then jerked to one side. Inside, human bodies, heavy dive equipment, and strands of umbilical cords lay crumpled in a heap. An anguished moan was barely audible over the beeping alarm.

“You boys okay?” Fletcher asked, worming his way through a pile of umbilical cord and easing himself to his feet.

“Yeah.” Tank’s voice was shaky. The dim light couldn’t hide the unadulterated fear in his eyes. He reached up and felt a bloody gash on the top of his ear. “Brownie, you okay?”

There was no response.

Fletcher groped through the tangle of debris until touching Brown’s drysuit. He gripped the material and pulled the diver clear. Brown slumped over, unconscious.

Fletcher pulled down the diver’s hoodie and felt for a pulse, feeling a faint flutter. He heard a groan and saw his chest heaving. A golf-ball-sized lump protruded from his forehead, and something about his feet didn’t look right.

Pulling away his fins, he could see Brown’s left foot dangled at an awkward angle. “I think he broke his ankle — and got knocked cold in the tumble.”

The two men cleared a space on the sloping deck and stretched Brown out. Tank produced a first-aid kit, and they wrapped his ankle and bandaged his head.

“That’s about all we can do until he regains consciousness,” Fletcher said.

Trying to find his bearings, he pressed his nose to the acrylic porthole. The sea was as black as coal, but the interior light cast a faint glow around the bell. They had collided with the riser or its blowout preventer and appeared to be hung up on one of the two structures. A long, slender object wavered in the current, and he shielded his eyes against the porthole to discern what it was.

He tensed in sudden recognition, feeling like a wrecking ball had slammed into his belly. It was a portion of the diving bell’s umbilical. Several long coils of it dangled from a riser crossmember. While it was possible the support ship had inadvertently released a length of their drop cable and umbilical, he instinctively knew otherwise. Both lines to the surface had been severed.

Fletcher stepped to a control panel and studied the dials tilted before him. Confirmation came quickly. Electrical power, helium and oxygen gas, communications, and even hot water for the dive suits — all provided from the Alta through a jumble of hoses and wires in the umbilical — had ceased. The crew of the diving bell had been abandoned.

Tank started calling the support ship, which could normally hear their every utterance via an open communication system.

“Save your breath,” Fletcher said. “They’ve lost the umbilical.” He pointed out the viewport toward the tangled pile of hose.

Tank stared for a moment as the words penetrated his battered skull. “Okay,” he muttered. “Are the scrubbers on? How’s our air?”

Fletcher took command, activating an emergency transponder, a top-mounted flashing strobe, and a backup carbon dioxide scrubber, all operated by battery. At a small control panel, he opened the valve on several gas tanks mounted on the bell’s exterior and adjusted the breathing mixture. Provided they could keep warm, the bell carried sufficient power and emergency gas for two to three days. Given their proximity to Florida and the Gulf, it was plenty of time for a saturation-equipped rescue ship to reach the site.

“Scrubbers are on. Air mix looks good.” He eyed a mechanical gauge. “Pressure stable at six hundred and twenty feet.”

During normal operations, the bell’s atmospherics were managed by a dive supervision team on the Alta. A measured mixture of gases was pumped through the diving bell’s umbilical, carefully adjusted as the bell reached operating depth. Helium, rather than nitrogen, was the primary inert gas fed to the divers, as it eliminated the effect of nitrogen narcosis, a dangerously intoxicating effect that can occur deeper than a hundred feet. The bell was fitted with its own external tanks filled with helium, oxygen, and nitrogen, for just such an emergency.

Fletcher motioned toward the viewport. “Since I’m already suited, I’ll inspect the exterior.”

“Without any heat, you better make it quick.”

While Fletcher reconfigured his umbilical to operate off the emergency gas supply, Tank slipped into the lockout to open the exterior hatch. The hatch moved only a few inches before striking something metallic. Tank put all his weight against the hatch, but it wouldn’t budge. Slipping his hand through the gap, he reached into the water and groped around.

“Best scrap your dive plans, Pops. The bell frame must have bent when we hit bottom and is blocking the hatch. No way we’re going to get that open.”

Fletcher had a sinking feeling the dive gods weren’t finished invoking payment for some past sin. “Okay. I’ll try raising the ship on the subcom. Why don’t you pull out the Mustang suits and see if you can get Brownie into one.”

Tank pulled open a side compartment that contained thick, rubberized survival suits designed for cold-water immersion. He slipped into a cumbersome suit, then tried pulling another onto Brown’s inert body. Fletcher activated an emergency radio configured with an external transponder mounted on the exterior of the bell. For the next several minutes, he tried hailing the Alta. He got only static.

Without the radiant heating from the surface umbilical, the temperature in the bell quickly cooled. Feeling the chill even in his dry dive suit, Fletcher abandoned the radio to help Tank squeeze Brown into the survival suit. “They must have their hands full topside,” he said. “I’ll try calling again in a minute.”

“There’s no sense in waiting around,” Tank said. “You saw the slack in the umbilical. The lift line is severed. They’re not going to be able to pull us up, but they can certainly acquire us if we make the surface on our own.”

Fletcher considered Tank’s words. He was inclined to wait until reestablishing communications with the surface before initiating an emergency ascent, but the silent response from above likely meant a serious situation aboard the Alta. Tank was probably right. With Brown injured, there was no point in hanging around the depths.

“All right. Prepare to drop the weights. I’ll radio up that we’re engaging in an emergency ascent — in case someone can hear us.”

While Fletcher made the call, Tank opened a floor panel. Inside was a pair of T-grips fashioned to a set of external weights clamped beneath the bell. He waited until Fletcher turned from the radio and gave him a nod, then twisted the grips.

There was a slight clink as a pair of lead weights dropped from the bell housing. But only one of the weights fell free to the seafloor. The other remained wedged in place by the bent frame. With a slight shift in balance, the diving bell started a crooked ascent. Fletcher winked at Tank but stiffened when a horrendous screeching echoed through the bell. A rush of turbulence appeared out the side viewport as the bell jolted to a stop.

“We’re snagged on the BOP!” Tank shouted.

Both pressed their faces to the port. All they could see was a cascade of bubbles rushing past with the roar of a Boeing 747 at takeoff.

Ascending at an angle, the bell had caught a protruding elbow from the blowout preventer. The steel extension had sliced into the rack holding seven of the diving bell’s nine emergency gas tanks. As the bell rose, the blowout preventer severed the tanks’ valve connections before jabbing into the base of the rack and snaring the bell in a vise-like grip.

Fletcher jumped to the console and checked the pressure gauges. The normally stoic diver turned gray as he watched eighty percent of their emergency atmosphere disappear to the surface. Trapped inside the bell ensnared on the bottom, they were now at the complete mercy of a surface rescue.

Tank looked to his partner. “How bad?”

Fletcher turned slowly but said nothing. The look in his eye told Tank all he needed to know. They had only a few hours to live.

6

Six hundred feet above the diving bell, the Norwegian ship Alta was in the throes of death. Thick black smoke covered her forward deck, streaked by sporadic bursts of flame. A large derrick used to feed drill pipe over the side lay collapsed across the deck. Waves came close to washing over the rail as the ship listed deeply at the bow.

Kevin Knight, the Alta’s captain, stared out the bridge window at the carnage. Minutes before, he had been monitoring a weather report when a deep rumble sounded in the bowels of the ship. The deck flexed beneath his feet. An instant later, a forward fuel tank erupted in a blistering explosion that engulfed the vessel.

“Sir, the dive shack reports they’ve lost contact with the bell,” yelled the third officer, whose face trickled blood from a shattered window.

Alarm bells blared, and flashing console lights indicated sections of the ship already flooded. Knight ground his molars as he absorbed the growing damage. There was no avoiding the inevitable.

He turned to the communications operator. “Issue a Mayday call! Relay that we are sinking and require immediate assistance.”

Knight picked up a transmitter and spoke over the ship’s public-address system. “Fire control teams, report to your stations. All remaining hands prepare to abandon ship.”

“Sir, what about the diving bell?” the third officer said. “And there are three more men in the saturation chamber.”

“There’s an emergency pod built into the saturation chamber. Get the men into it at once.”

“What about the bell?”

Knight shook his head. “Those boys will have to sit tight for now. There’s nothing we can do for them.” He gave the hesitant officer a stern gaze. “Go get to that chamber. Now!”

The dazed crew and roughnecks made their way aft to a pair of enclosed lifeboats. Several men who were burned or injured had to be lifted into the boats, a task made more difficult by the ship’s steep list. Knight raced through the vessel, calling off the firefighters, ordering all men to the boats while ensuring nobody was left behind. At the base of the accommodations block, he found the chief engineer emerging from belowdecks.

Knight yelled over the roar of nearby flames. “Is everybody out?”

“Yes, I think so.” The engineer was breathing heavily. “She’s flooding fast, sir. We best get off at once.”

Knight shrugged him off. “Get to the boats and launch them. I’m going to make a final pass forward.”

“Don’t risk it, sir,” the engineer yelled. But Knight had already vanished into a swirl of smoke.

The stern was rising precariously as he stepped across the deck. Through the smoke, he caught a brief glimpse of the bow already awash. He ran to the waterline, scanning the deck for any last crewmen. A pair of loud splashes told him the two lifeboats had jettisoned. The realization gave him a sense of relief — and terror.

The acrid smoke burned his eyes and choked his lungs. He called out a last plea to abandon ship. As he turned to move aft, he noticed a boot protruding from behind a deck crane. It was his executive officer, a man named Gordon. His clothes were charred and his hair singed. He peered at Knight through glassy eyes.

The captain tried pulling him up. “Gordon, we have to get off the ship.”

The exec screamed at his touch. “My leg!”

Knight saw that one of Gordon’s legs was twisted at an obscene angle, a bloodied piece of bone protruding through his trousers near the knee. A knot twisted in the captain’s stomach.

A crash disrupted his thoughts as a bundle of drill pipe broke free and tumbled into the water. Tortured groans emanated from belowdecks as the hull strained under the imbalance of the rising stern. The deck shuddered beneath Knight’s feet as the ship tried a last-gasp fight to stay afloat.

Slipping an arm around Gordon, Knight tried to raise the injured man. Gordon let out a raspy grunt before falling limp in Knight’s arms. The captain struggled to lift the officer, but his own knees, weakened by an ancient football injury, wouldn’t allow it. The two sagged to the deck as a generator broke loose and slid across it, missing the men by inches.

The Alta had but seconds left. Knight resigned himself to a mortal ride to the seafloor.

Then a crisp voice cut the air. “I’d suggest a quick exit before we all get our feet wet.”

Knight snapped his head toward the voice, but a thick cloud of smoke obscured his vision. Then a tall, dark-haired man emerged from the haze, his luminous green eyes surveying the scene.

“Where… where did you come from?”

“The R/V Sargasso Sea,” Pitt said. “We received your distress call and came at full speed.”

He looked at Gordon and then at Knight, noticing his shirt’s shoulder insignia. “How bad is your man hurt, Captain?”

“Broken leg.”

A deep rumble shook the ship as its stern tilted higher. Pitt rushed over to the two men, clutching a safety harness attached to a rope. He secured the harness around Knight. “Can you hang on to him?”

Knight nodded. “As long as I don’t have to walk.”

Pitt hoisted Gordon’s limp body and draped it over Knight’s shoulder. “I’m afraid you may have to get a little wet after all.”

He pulled a handheld radio from his belt and called to the Sargasso Sea. “Bring it up gently.”

The deck lurched. “She’s going under!” Knight yelled.

The Alta’s captain saw the harness line pull taut as the ship began to slide beneath his feet. He felt a hand shove him as the water rushed up to him. It was Pitt, pushing him toward the rail.

He clung tightly to Gordon as they were pulled underwater. They banged against a ventilator box, and Knight felt the harness jerk as a boil of water rushed around them. The water suddenly calmed as the harness continued to strain against his chest. Then they broke free and were dangling above the waves.

Knight looked up to see a turquoise-colored ship pulling them to safety, the harness line attached to a crane that stretched over the side rail. He tightened his grip on Gordon’s body, which felt noticeably heavier. The first officer retched, and his gasps confirmed that he was still breathing.

Knight rotated to see the last of the Alta, its bronze propeller cutting the empty sky, just before the ship plunged beneath the surface amid a grumble of twisting metal and escaping air. The ship’s twin lifeboats and the floating decompression chamber pod bobbed nearby, safely clear of the sinking ship’s suction.

Knight focused his gaze on a ring of bubbling water that marked the ship’s demise. A few bits of flotsam drifted to the surface, but there was no sign of the man who had just saved his life.

7

Pitt felt like he was riding the nose of a freight train barreling through a dark tunnel.

After pushing Knight and Gordon clear, he tried to get himself over the rail. But the plunging vessel moved too quickly, and the rush of water threw him against a deck-mounted crane. The acceleration of the sinking ship kept him pinned as the water hurled against him.

He ignored a pain in his ears from the increasing pressure and pulled his way along the crane. A cacophony of muffled metallic sounds vibrated through the water as loose materials smashed into the ship’s bulkheads. A severed stanchion came hurtling into the crane, missing Pitt by mere inches.

Reaching the bottom of the crane, he set his feet and launched himself off the corner, stroking furiously toward the unseen side rail. A hard object collided with his leg, then he was free of the maelstrom. The sinking ship rushed past him on its sprint to the bottom, more felt than seen in the dark and murky sea.

The waters around him were a disorienting swirl, but Pitt remained calm. He had been a diver most of his life and had always felt comfortable in the water, as if it were his natural element. Panic never entered his mind. He tracked a string of bubbles rising toward a faint silver glow. Orienting himself, he swam toward the surface but found it receding.

Pitt was being drawn down by the Alta’s suction. He swam hard against the invisible force. His head began to throb. He needed air.

His body bumped against something and he instinctively grabbed it. The object was buoyant and, like Pitt, fought the grasp of the ship’s suction. As his throat tightened, Pitt knew he must break free and surface quickly.

With his lungs bursting and his vision narrowing, he continued to kick with a fury. He felt no sensation of ascending, but he realized the surrounding air bubbles were not rising past him. He looked up. The luminescent surface was drawing closer, and the water felt warmer. The gleaming surface dangled just beyond reach as every blood vessel in his head throbbed like a jackhammer. Then suddenly he was there.

Bursting through the waves, he gulped in air as his heart slowed its pounding. A small motor buzzed nearby, and in an instant an orange inflatable roared up beside him. The smiling face of Al Giordino leaned over the side.

He laughed as he easily pulled Pitt into the boat. “That’s a new take on riding the range.”

Pitt gave him a confused look, then peered over the side. Bobbing beside them was a bright green portable outhouse from the Alta that he had ridden to the surface. Pitt smiled at his dumb luck. “I think it’s what they call ascending the throne,” he said.

* * *

The Sargasso Sea had already hoisted aboard the Alta’s emergency decompression chamber pod and was rounding up the lifeboat survivors when Pitt and Giordino boarded. Captain Knight spotted Pitt and rushed to his side. “I thought you were gone for good.”

“She tried to take me for a one-way ride, but I managed to hop off. How’s your partner?”

“Resting comfortably in sick bay. You saved both our lives.”

“That was quite a fire aboard your ship. Do you know what started it?”

Knight shook his head. The image of the exploding ship would haunt him for the rest of his days. “Some sort of explosion. It set off the forward fuel bunker. Can’t imagine what caused it. Miraculously, everyone seems to have gotten off the ship, even the men in the saturation chamber.” A tortured pain showed in his eyes. “There are three more men on the bottom. Divers.”

“Were they in the water?”

Knight nodded. “Working out of the diving bell at depth. The initial explosion severed the lift cable and umbilical. We never had a chance to warn them.”

“We’ve called the Navy’s Undersea Rescue Command,” Giordino said. “They can have a submersible rescue vehicle on-site in ten hours. We’re also searching for any nearby commercial deepwater resources.”

“Assuming no injuries or problems with the bell, the divers should be safe for at least twenty-four hours,” Pitt said. He pointed to a small yellow submarine on the stern deck. “We best see how they’re making out. If nothing else, we can keep them company until the cavalry arrives.”

Pitt turned to Giordino. “How soon can we deploy the Starfish?”

“About ten minutes.”

“Let’s make it five.”

8

The two-man submersible dropped below the choppy surface and began its slow descent, driven by the pull of gravity. Pitt barely had time to slip into some dry clothes before Giordino had the Starfish prepped for diving. Climbing into the pilot’s seat, he rushed through a predive checklist as the submersible was lowered over the side.

“Batteries are at full power, everything appears operational. We are approved for dive,” Pitt said with a wink as seawater washed over the top of the viewport.

Giordino flicked on a bank of external floodlights as they sank past the hundred-foot mark. The descent felt painfully slow. As men who worked in and around the sea, they felt an affinity for the unknown divers lost on the seafloor. Several minutes later, the taupe-colored bottom materialized.

“The current pushed us east during our descent,” Giordino said. “I suggest a heading of two hundred and seventy-five degrees.”

“On it.” Pitt engaged the Starfish’s thrusters.

The submersible skimmed over the bottom, driving against a light current. The seafloor was rocky and undulating but mostly devoid of life.

Pitt noticed the terrain change a short distance ahead. “Something coming up.”

A parallel band of rippled sediment appeared, stretching across their path like a recessed highway.

“Tread marks,” Pitt said. “Somebody had some heavy equipment down here.”

Giordino peered into the depths. “That says we should be close to the wellhead.”

They traveled a short distance before the hulk of the Alta appeared in the murk. The bow was crumpled from hitting the seafloor, but the ship was otherwise intact, sitting upright at a slight list. Pitt wasted no time inspecting the ship’s damage and circled around its stern. He was immediately met by an underwater junkyard.

Debris from the Alta was scattered across a rocky shallow, joined by a conglomeration of pipes, compressors, and cables jarred free at impact. There were large steel gas cylinders, most containing helium or oxygen in support of the Alta’s saturation chamber. Dozens of the green, brown, and black cylinders lay scattered across the bottom.

As they glided over a buckled tin shed, Giordino called out. “Strobe light, off to the right.”

Pitt turned the submersible toward the flash. A raised structure, sprouting pipes from its center, partially blocked the light. Pitt navigated around the wellhead riser and blowout preventer to find the diving bell wedged against the structure, jammed at an obtuse angle, with one of its drop weights still in place.

Giordino shook his head. “They sure got themselves into a nice pickle.”

A small light wavered in one of the bell’s viewports. Pitt flashed the submersible’s lights as he eased closer, cautious of the wellhead’s protruding fittings.

“I think I see two men in there,” Giordino said.

“Let’s see if we can raise them on the emergency channel.”

Pitt activated the emergency transponder that operated on the same frequency as the diving bell’s. “Submersible Starfish to Alta diving bell. Do you read me?”

A high-pitched, garbled voice replied in the affirmative.

“Their helium-speech unscrambler must have been topside,” Giordino said. “Hope you watched a lot of Disney cartoons growing up.”

The voice of Warren Fletcher blared over the speaker in a Mickey Mouse tenor. Pitt lost much of the verbiage but made out that one man was injured and that the bell had lost most of its emergency gas. He slid the submersible to the side and saw for himself. A half-dozen gas cylinders were piled on the sand below the bell, a large gash evident in the bottles’ storage rack.

Pitt eyed the spent tanks. “They have a serious air problem.”

“Somebody just held up two fingers to the glass,” Giordino said. “Two hours.”

It was a problem they hadn’t expected to confront. Pitt’s objective had been to find the bell and give the men encouragement until a deep-sea rescue team could arrive. But those resources were at best eight hours away. By the time outside help arrived, the men in the bell would be long dead.

“Poor buggers,” Giordino said. “The Navy’s hours away. Those boys will never make it.”

“They can if they swim to the surface.”

Pitt radioed the bell. “Alta divers, can you abandon the bell and dive to the surface? We have a deco chamber topside. Repeat, we have a deco chamber topside.”

Fletcher replied in the negative, explaining that the hatch was blocked from the outside.

Pitt and Giordino surveyed the exterior and saw the hatch was blocked shut by the bell’s bent base frame, which had also jammed the ballast weight in place.

Pitt studied the heavy-gauge steel. “No way we can straighten that out. Do you think we can pull them off the riser?”

“It’s worth a shot. We can’t access the lower frame, where they’re pinned. Of course, the bell won’t ascend far dragging all that cable.”

“They’ll have to break free sooner or later.” Pitt moved the submersible around the diving bell. Approaching from above, he hovered the Starfish just above the bell.

Giordino went to work, extending an articulated robotic arm and grasping a secondary lift eye on the bell. “Got it.”

Proceeding gently, Pitt angled the thrusters down and tried lifting the diving bell. The dive capsule rocked but refused to budge. Pitt tried adjusting the angle of lift, but each time the bell remained fixed to the wellhead riser.

Pitt eased the submersible lower and Giordino released the grip on the lift point.

“That bell probably weighs as much as our submersible,” Giordino said. “We just don’t have enough horsepower to pull it off.”

“She just needs a good tug from above.”

“I agree, but it ain’t going to come from us.”

“That’s right,” Pitt said. “It will have to come from the lift cable.”

“You mean raise the cable? There’s over six hundred feet of steel cable. It probably weighs ten times as much as the bell. No way we could drag that to the surface.”

“Not drag. Float,” Pitt said with a twinkle in his eye.

Giordino studied his partner. He had seen that look before. It was the never-say-die gaze of a man who had cheated death many times over. It was a look of determination that spouted from his friend like Old Faithful. Pitt didn’t know the men in the diving bell, but there was no way he would stand by and let them die.

Giordino rubbed his chin. “How can we possibly do that?”

“Simple,” Pitt said. “We just raise the roof.”

9

Feeling as if he had been abandoned to die in a cold steel coffin, Fletcher watched the lights of the NUMA submersible recede across the seafloor.

“They’ll be back,” he said, trying to convince himself.

He could do little but focus on his breathing, every inhalation a reminder of their limited air. Like most professional divers, he wasn’t prone to claustrophobia, but little by little the diving bell seemed to compress around him.

He gazed at Tank, who had slid to a sitting position beside him and stared at the floor in resignation. To lessen his own anxiety, Fletcher remained standing, his face pressed against the viewport while tracking the submersible. What was it up to? The vessel seemed to be just moving back and forth, stirring up silt. Whatever they were doing, it seemed to have nothing to do with saving him and his partners.

But saving the men’s lives was exactly what Pitt was up to.

“Short of a granny knot, that’s the best we can do,” Giordino said, sweat dripping off his brow.

He was operating the robotic arm, or manipulator, which was again clutching a strand of the diving bell’s lift cable. Leaving Fletcher and the bell in the shadows, Pitt had traced the length of the cable until finding the frayed end near the sunken Alta.

He had Giordino grab the cable end and drag it to the metal shed they had passed in the debris field earlier. The prefabricated welder’s shed had stood on the ship’s deck but was sheared off when the Alta struck bottom. The shed had somehow landed upright. Although heavily dented, it stood fully intact in the soft sand.

With a good deal of finessing, Pitt and Giordino secured the cable around the shed’s hinged door, then looped it around the sides and roof several times.

“Won’t win us a merit badge for knot tying,” Giordino said, “but now our kite’s got a tail.”

“On to the scientific portion of the experiment,” Pitt said.

Giordino let loose of the cable, and Pitt guided the submersible close to the Alta. He settled the submersible on the seafloor and watched as Giordino reached with the manipulator and clutched a brown helium tank by its valve.

Giordino gave Pitt a cautionary gaze. “These babies ain’t light.”

“Mere child’s play.” Pitt raised the submersible just off the bottom and applied power to the reverse thrusters.

The submersible eased backward. The helium cylinder held firm, then slipped across the sand. Pitt worked the controls until he had dragged the tank alongside the welder’s shed, positioning its valve near the open door.

“There’s one,” Pitt said.

“Not a popular move with our batteries.” Giordino looked at their gauges. “We’re down to thirty-five percent remaining power reserves.”

Pitt nodded and maneuvered the submersible toward the next cylinder. They had repeated the process six more times, lining up all seven tanks beside the shed, when Giordino announced they could do no more.

“Power reserves approaching single digits, boss. It’s time we think of heading for daylight.”

“Okay, maestro. First open up the tanks, and let’s see if this bird will fly.”

Pitt hovered the submersible over the cylinders so Giordino could reach down with his manipulator and open the valves. A cascade of bubbles rushed past the viewport as he opened the first valve. When Giordino had opened the last cylinder, Pitt moved back a few feet and Giordino nudged the tanks forward, allowing the spewing gas to rise into the confines of the welder’s shed.

It was a crazy gamble but their only chance of saving the divers. Pitt hoped to raise the cable enough to lift the diving bell off the wellhead structure. To do so, the welding shed would act as a lift bag and pull the cable to the surface.

Pitt maneuvered the submersible until it hovered just above the shed.

“You sure you want to park it here?” Giordino asked.

“We might need to hold it steady, as well as give it a boost. See if you can grab hold of it.”

Giordino reached out the manipulator arm and latched onto a knuckle in the shed’s peaked roof. Pitt purged the ballast tanks. A wall of rising bubbles obscured their view and any sensation of movement, so Pitt eyed a depth gauge. The digital readout held steady, then began decreasing a foot at a time.

He grinned. “We’re moving.”

Peering into the distance from the diving bell, Fletcher saw the submersible ascend. For a second, he thought its lights illuminated a small house beneath it. He rubbed his eyes and watched the lights of the submersible disappear, his hopes of escape vanishing with it.

Little did Fletcher know he was attached to the rising structure.

Using the weight of the submersible to balance the roof, Pitt managed to keep the shed level as it filled with gas and attained buoyancy. More importantly, the shed continued to rise while trailing the steel lift cable beneath it. As the structure ascended, the sea pressure would diminish, causing the gas inside the shed to expand. With luck, the expanding gas would provide the needed lift to offset the growing weight of the cable.

“Five hundred feet,” Giordino said. “We’re riding a regular freight elevator.”

“Feels more like a mechanical bull.” Pitt jockeyed the submersible to one side. He had to constantly work the thrusters to keep the shed’s roof level. If the shed tipped, the gas would escape and the whole works would plummet to the seabed.

The odd assemblage continued to rise in a curtain of bubbles. Ascending higher, the expanding helium ultimately displaced all the water in the shed. Its sides began to bulge as the expanding gas sought its escape, streaming out of every crevice, as well as the open door. The shed’s ascent accelerated, pushing the submersible with it.

The Sargasso Sea had been alerted to stand clear but at the ready. Pacing her stern deck, Kevin Knight stared at the water. A disruption caught his attention and he watched as a circular froth erupted. A few seconds later, the bright yellow NUMA submarine broke the surface, rising completely out of the water. Knight saw that it was sitting on some sort of structure that resembled a tiny house. As it settled slightly and the submersible moved clear, Knight recognized it as the welder’s shed from the Alta.

At Pitt’s direction, the Sargasso Sea moved in quickly and snared the looped cable with a crane and hook. The structure was hoisted onto the stern deck as a waiting throng of crewmen secured the cable with clamps and braces. The loose end was unwound from the shed and fed onto a drum winch that had been cleared of its own cable.

As the winch began reeling in the cable, the ship’s lift crane deposited the welder’s shed over the side and retrieved the submersible.

Pitt and Giordino had barely climbed out of the hatch when Knight jumped in front of them.

“Are they still alive?”

“For the moment,” Pitt said. “The bell lost several of its emergency gas cylinders, so they don’t have much time to spare.”

The crew waited anxiously as the winch spooled up the cable. No one knew what they would find at the other end. Finally, there was a commotion near the stern rail and Pitt saw the top of the diving bell break the surface.

“Snag it with the lift crane and prepare to transfer it to the decompression chamber,” Pitt said. “We’ll need some welders to cut away the lower frame to access the hatch.”

The bell was hoisted aboard and the crewmen swarmed to work. A technician ran up to Pitt as welders’ sparks began spraying across the deck.

“I’ve spliced the bell’s communications cable with our comm system,” the technician said. “One of the divers inside wants to talk to you. His name is Warren.”

Pitt followed the technician to a console set up near the bell. He picked up a handset as a man inside the bell waved through the viewport.

“Hi, Warren. My name’s Pitt. How are you making out in there?”

“A lot better now that I can see some sunshine,” Fletcher said. “For a while, I thought we were going to be a permanent part of the wellhead. That was a crazy way to lift us, but I’m sure glad you tried.”

“Apologies for the rough ride. How are your partners?”

“Tank’s good, but Brown has a broken leg. He’s been in and out of consciousness.”

“We’ve got a doctor waiting in our decompression chamber, just as soon as we can get you into it.”

“Thanks, Mr. Pitt, we appreciate everything. Tell me, though, what happened to the Alta?”

“She sank in a sudden explosion. No casualties, thankfully, but nobody seems to know what happened. We’ll talk again once we get you transferred to the chamber.”

Fletcher nodded. “Call me crazy, Mr. Pitt, but I saw an unknown submersible shortly before the cable snapped. I think somebody may have deliberately sunk the Alta.”

Pitt looked into the diver’s hardened eyes and realized it was the least crazy thing he had heard all day.

10

A bright azure sky belied the sorrow that hung over Havana. The source of the melancholy was a funeral procession that crept through the crumbling streets of Cuba’s capital, where the calendar seemed fixed at the year 1959. The pockmarked streets, which over the centuries had been trod by Spanish conquistadors, British redcoats, American doughboys, and Russian generals, were lined ten deep by ordinary Cuban citizens. Seemingly every resident of the island had come to bid a final farewell to El Caballo.

Fidel Castro Ruz, the fiery father of the Cuban revolution, had finally lost his battle with mortality. It had been nearly sixty years since a young Castro had broken exile and landed on Cuba’s southwest tip in a borrowed sailboat with a ragtag army of eighty-one guerrilla fighters. In a coup that was nothing short of miraculous, he’d fueled rural grassroots support and overthrown the Batista government, marching triumphantly into Havana less than three years later.

Castro’s love affair with Marxism had failed to transform Cuba into the utopia he had envisioned, however, and his half-century reign, ending in 2008 when he’d passed power to his brother Raúl, had been marked more by political repression and economic suffocation than freedom and prosperity. Yet he remained a revered figure to Cubans, most of whom knew no other leader.

The horse-drawn funeral caisson, escorted by an honor guard in crisp white tunics, inched into the Plaza de la Revolución and eased past a large viewing stand. Cuba’s government and military elite took center stage, surrounded by an array of international dignitaries. The best seats were reserved for representatives from Venezuela, China, and Nicaragua, along with a handful of Hollywood actors. Raúl Castro stood at attention and saluted his brother as the procession marched past the towering José Martí Memorial.

Raúl and his vice president, a fellow octogenarian who walked with a cane, returned to the Interior Ministry Building for a small reception. The Cuban ruling elite, consisting of the Council of State and the Council of Ministers, along with key members of the National Assembly, the Communist Party, and the Revolutionary Armed Forces, assembled in an impromptu line and paid formal respects to President Castro.

A sharp-dressed man with silver hair completed his condolences, then crossed the room, inadvertently brushing into a general engaged with an aide.

“Excuse me, General,” he said, stopping to face the man he bumped.

General Alberto Gutier’s hawkish face crinkled as he regarded the man through steady teak eyes. “Minister Ruiz.”

“It is a sad day for all of Cuba,” Ruiz said. “El Caballo was the heart and soul of the revolution.”

Gutier smirked at the mention of Fidel’s popular nickname, the Horse. “One man can start a revolution, but it takes many to sustain it.”

“True, but there can be no advancement of the cause without dynamic leadership.” Ruiz gazed at Raúl’s aged vice president, who had been helped to a chair near Castro and was inhaling oxygen from a portable tank.

Turning back to Gutier, he spoke in a low tone. “It won’t be long before a new order will rule Cuba. Vigorous, worldly, and progressive.”

“You couldn’t mean yourself?”

“Why, what an excellent suggestion,” Ruiz said. “I’m glad I can count on your support and shall look forward to your continued contributions to the Council during my presidency.”

The two were bitter rivals. Both served in Castro’s cabinet, Gutier as Minister of the Interior and Ruiz as Foreign Minister. And both curried the president’s favor, knowing the power to rule the country next was within reach. To Gutier’s chagrin, Ruiz was widely considered the favorite to replace the ailing vice president and stand ready as Castro’s successor.

Gutier gave Ruiz a frigid stare. “There’s a better likelihood that you will be polishing my boots first.”

“Come, now. You really don’t expect to ascend the ranks, do you?” He leaned forward and whispered in the general’s ear. “There’s a rumor that Minister Ortiz’s death was no accident and that the Army was somehow involved. Bad press for you, my dear friend.”

It was Gutier’s turn to smile. “Perhaps it is true,” he whispered back. “In which case, I hope that you drive carefully.”

The normally glib Ruiz turned his back on the general and meandered toward a group of friendly associates.

Gutier dismissed his aide and looked about the room, trying to hide his contempt. Most of the Cuban leadership consisted of old cronies of El Caballo who clung to power with one foot in the grave. Ruiz was right about a new generation waiting in the wings, but what he saw of that crowd repulsed him. They were all like Ruiz, products of a privileged upbringing who spouted revolutionary adages while quietly living like celebrities at the expense of the state.

Not that Gutier didn’t enjoy his own trappings of power. He was just used to a more austere lifestyle. With a younger brother, he’d been raised in a Santiago shack by a destitute mother after his father had been killed defending Cuba in the Bay of Pigs invasion. When his widowed mother had married an Army officer, his economic status improved, if not his happiness.

His stepfather was an alcoholic who regularly beat the boys and their mother. Perhaps out of guilt, Gutier’s new father introduced his adopted sons to Army life and maneuvered them into officer training school. After years of abuse, the brothers returned the favor when they came of age by strangling the man and tossing his body into the Cauto River. Escaping without suspicion, Gutier and his brother had their first taste of murder with impunity. It wouldn’t be their last.

Through cunning and aptitude, the elder Gutier rose quickly through the ranks, establishing a reputation for ruthlessness. He caught the eye of Raúl when the younger Castro commanded the Revolutionary Armed Forces. Promoted to Raúl’s staff, he served as an effective, if not always popular, problem solver.

With Raúl’s ascension, Gutier was appointed Interior Minister, but only after a more seasoned general suffered a debilitating paralysis after ingesting an unknown toxin.

Gutier bid farewell to a group of assemblymen and departed the reception. Hopping into a Russian-made military truck, he was driven across Havana to a small airfield at Playa Baracoa. He transferred to a helicopter that took him east along the coastline, passing the entrance to Havana Harbor and the heights of Morro Castle. Thirty miles down the coast, the helicopter landed in a field next to a small marina. Gutier was then taken in a launch into the indigo waters of the Straits of Florida.

The launch approached a luxury yacht moored in the bay. An Oceanco-built boat that measured over two hundred feet, its sleek opulence towered over the small launch. Gutier read the vessel’s name, Gold Digger, in yellow lettering on the stern, as they approached a lowered stepladder. A crew member escorted the general into an air-conditioned salon.

Mark Ramsey was mixing cocktails behind a mahogany bar. “General, good of you to come. I wasn’t sure you would be able to keep our appointment on such a somber day.” He turned off a television monitor that was displaying Fidel Castro’s body lying in state.

“My official duties were fulfilled earlier,” Gutier said. “It may be a somber day for Cuba’s history but I think a bright one for its future.”

Ramsey handed him a daiquiri. “To the prosperity of Cuba.”

“To Cuba.”

Ramsey led him to a dining table scattered with documents, where each took a seat.

“It’s been a difficult week,” Ramsey said. “I lost a drill ship under lease from the Norwegians and you lost a national icon. All this on top of the terrible accident with Minister Ortiz.”

“No man lives forever. Fidel’s imprint on Cuba shall remain long-lasting.”

“His absence leaves an inspirational void for your country. Perhaps one that a man like yourself could fulfill.”

Gutier displayed a poker face. “Man cannot predict his destiny. Tell me about your ship incident and the state of your oil-drilling prospects.”

“The Alta was a modern drill ship that specialized in deepwater operations. She was laying the foundation for an exploratory well in quadrant R-29 of our leasehold.” He slid a chart in front of Gutier and pointed to a section northeast of Havana. “This is one of two areas for which we had acquired oil exploration rights, as signed by Minister Ortiz before his passing. I hope there will be no problem in continuing to honor the agreement.”

“Minister Ortiz represented the Cuban government. The agreement will be honored. Now, what of this sunken ship?”

“An unknown explosion sent her to the bottom in less than ten minutes. The crew got away safely, but three divers were trapped on the seafloor. If not for a passing American research ship, they would have died. As it is, there was no loss of life.”

“That is fortunate. The vessel was insured by the owner?”

“In this instance, the operator was responsible for insuring the ship while it was on the job.” Ramsey’s lips tightened at the thought of the deductible that would come out of his pocket.

“When do you plan to return to the site?” Gutier asked.

“Our second leased rig is working on our other site off the western coast. We view that region as lower potential, so we’ll transfer operations in a week or two and complete the test well that the Alta started.”

Gutier looked Ramsey hard in the eye. “I would ask that you refrain from any further work in area R-29 for at least three weeks.”

“Any particular reason?”

“It is my desire,” Gutier said gruffly.

Ramsey slid the chart in front of him. “General, I know it took considerable effort within your government to allow our consortium to come into your territorial waters. I appreciate what you’ve done for us. But we were given authorization to explore only two small offshore quadrants, neither of which our geophysicists rated highly promising. For us to have success and allow you to develop an export oil market, we need access to additional seafloor.”

“Mr. Ramsey, I might remind you that there are other parties seeking the same opportunity.”

“We’re talking deepwater operations. It’s a different ball game. It’ll take you twice as long if you go with the boys from Venezuela or Mexico… or the Middle East.”

“But you yourself are a mining engineer.”

“True, my expertise is with mining. In fact, I’m just a limited partner in this joint venture. I’m here only because the venture group’s CEO is recovering from a mild heart attack. But I can assure you, our group of Canadian and Norwegian oil exploration experts have extensive experience in the North Sea and Arctic. They’ll get the job done. They have deepwater experience you can’t find just anywhere.”

“But you have yet to show results.”

“In the oil business, there are no guarantees.”

Gutier gazed at the map. “Where is it you would like to drill?”

Ramsey pointed to a large area a hundred miles northwest of Havana. “Given a choice, the North Cuba Basin is at the top of our probability list.”

“I might have some sway to open up a portion for your examination. But I will require something in return.” His dark eyes bore into Ramsey.

“Name it.”

“I understand you recently had some troubles with a mining operation in Indonesia.”

“The trouble was with some Islamic militants. They kidnapped my site mine supervisor and three engineers — in broad daylight off the streets of Jakarta.”

“And they were rescued?”

“All alive and well, thankfully.”

“And their captors?”

“Not so fortunate.” Ramsey offered a wry smile. “They were killed in a firefight.”

“But not by government forces.”

“No. Why the interest?”

“I have a project that requires some outside military expertise.”

“You have the top forces of the Cuban military at your disposal.”

“True, but this is an external project that requires absolute discretion.”

“Not in the U.S., is it?”

“No.”

Ramsey nodded.

“I’d like to hire your men,” Gutier said.

“They’re not my men. They were hired contractors who specialize in this type of work.”

“Would they work for me?”

“I don’t see why not, providing you’re not a secret al-Qaeda sympathizer.”

“If it makes you feel better, my mother was a devout Roman Catholic and raised my brother and me as such.”

Ramsey stepped to his desk and returned with a slip of paper containing a name and phone number.

“Maguire?” Gutier read aloud. “That’s it?”

“That’s my contact. The phone number — and a Cayman Islands bank account — is all the information I possess.”

“He is a professional?”

“First-rate. I just wouldn’t ask him a lot of questions.”

Gutier stood to leave. “I’m sorry for the loss of your ship. You will have access to the new oil lease site shortly.” He turned and walked out of the salon.

Ramsey didn’t move. Staring out the window as Gutier’s launch motored away, he couldn’t help but wonder if he had just made a deal with the devil.

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