With the cave shaking so badly they could barely stand, both Watterson and the general looked up. A dark fissure snaked across the ceiling. It went from wall to wall and then spidered in different directions.

The ceiling collapsed all at once and a million tons of rock dropped toward them.

Death came instantly, and neither Watterson nor General Cortland would ever know the fury they’d unleashed or the utter devastation that the ensuing earthquake caused in the city of San Francisco.

In the midst of a growing tempest, Patrick Devlin stood on the aft deck of the Java Dawn, an oceangoing tug linked by a single massive cable to the rusting hulk of a cruise ship known as the Pacific Voyager.

Huge swells came at the tug sideways, slamming against the hull with the sound of a shotgun blast. The rain fell in diagonal sheets, though it was hard to distinguish from the wind-whipped spray.

Surrounded by towing and loading equipment, including a fifty-foot crane and a powerful winch array, Devlin looked positively small. In truth, he stood nearly six feet tall, with broad shoulders that were hunched against the cold.

With gray stubble on his cheeks and folds of burnished flesh hooding his eyes, Devlin appeared every bit the wizened old sailor he was. Taking stock of the deteriorating weather, the increasing strain on the cable, and the condition of the sea, he came to a grave conclusion: they’d made a ruinous choice to leave port, one they’d be lucky to survive.

As Devlin grabbed the ship’s phone, another swell rolled the tug severely. The captain picked up on the other end.

“What’s our heading?” Devlin yelled into the receiver.

“Due south,” the captain said.

“It’s no good,” Devlin replied. “We’ll never survive this side-on beating. We have to turn into the swells.”

“We can’t, Padi,” the captain insisted. “That’ll take us into the teeth of the storm.”

Gripping the bulkhead to keep from falling, Devlin watched a wave crash over the deck. “This is madness,” he said. “We should’ve never left Tarakan.”

Tarakan was the primitive, almost backwater port where they’d picked up the Voyager. The old liner had berthed there for repairs some years ago after an accident. She’d ended up marooned when her shipping line went bankrupt several days later.

At some point, the ship was sold to a mystery buyer, but, for reasons unknown, the Voyager sat and rusted at Tarakan for three more years. Issues with the bankruptcy and squabbles about who would pay for the repairs, Devlin guessed.

Whatever it was, the ship looked like a derelict when they’d found her; covered in corrosion from stem to stern, barely seaworthy. The hastily repaired damage from where the freighter had holed her looked like a jagged H near the bow.

Now, caught up in a storm that was rapidly getting worse, she was certain to go down.

“How’s the line?” the captain asked.

Devlin glanced at the thick cable that stretched from the gigantic winch across the aft end of the tug and out toward the Voyager. The cable tensed and strained with the load before going slack again.

“The cable’s taut,” Devlin said. “That rust bucket is starting to pitch with these waves. She’s definitely riding lower as well. We need to get the inspection crew back.”

Against Devlin’s wishes, the captain had allowed three men to stay aboard the cruise ship to watch for leaks. It was dangerous in these conditions and a waste of time as well. If she was taking on water, there was nothing they could do to stop it. And if she started to go down — like Devlin thought she was — they would need to cut the cable and let her go before she dragged the Java Dawn into the depths alongside her. But with three men on the ship, cutting that cable would be the closest thing to murder Devlin had ever done.

The big tug nosed over and dropped into the largest trough yet. As it did, the cable stretched so tight that it actually began to sing. The tension pulled the aft end of the tug backward, the water churning around the hull as the propellers fought against the strain.

By the time the tug rose up on the next swell, the Voyager must have been dipping into a trough of her own because the tow cable pulled downward, bending over the reinforced-steel plating at the tug’s transom and forcing the aft end of the deck into the water.

Devlin raised binoculars to his eyes. The action of the waves had a way of obscuring the truth, but only to a point. The Voyager was definitely riding lower.

“She’s down at the bow, Captain. Listing slightly to port.”

The captain hesitated. Devlin knew why: this tow was worth a small fortune, but not if the ship didn’t make it.

“Call them back!” Devlin shouted. “For God sakes, Captain, at least call the men back.”

Finally, the captain spoke. “We’ve been calling them, Padi. They’re not answering. Something must have gone wrong.”

The words chilled Devlin’s core. “We have to send a boat out.”

“In this? It’s too dangerous.”

As if to emphasize the point, another wave hit them broadside and a thousand gallons of water crashed over the rail, flooding the aft deck.

The sturdy tug quickly shed the water, but moments later another wave swamped it more drastically than the first.

As the Java Dawn recovered, Devlin looked toward the Voyager.

She was definitely going down. Either a couple of hatches had blown or the shoddy repair job had caved in.

The captain must have seen it too. “We have to let her go,” he said.

“No, Captain!”

“We have to, Padi. Release the cable. The men have a boat of their own. And we can’t help them if we go down.”

Another wave crashed over the deck.

“For God sakes, Captain, have pity.”

“Cut the cable, Padi! That’s an order!”

Devlin knew the captain was right. He let go of the phone and took a step toward the emergency release lever.

The deck pitched hard as another swell overran the stern and sloshed toward him. It hit like a wave at the beach, knocking him off his feet and dragging him.

As he got up, Devlin saw that the cable was now disappearing into the water. Through the rain and spray, he could see that half the cruise ship was submerged. She was going down fast, plunging to the abyss and about to drag the tug down with her. The back quarter of the tug’s rear deck was already awash.

“Padi!”

The shout came over the dangling phone, but Devlin needed no more urging. He pulled himself up, grabbed the emergency release handle, and wrenched it down with all his might.

A loud crack rang out. The giant cable snapped loose and flung itself across the deck like a speeding python. The tug lurched forward and upward, and Devlin was thrown into the bulkhead, splitting his lip and bruising his eye.

Stunned for a moment, he gathered his wits and turned. The old liner was sliding beneath the waves at a gentle, almost peaceful angle. Seconds later, it was gone. The men they’d left behind were almost certainly dead. But the Java Dawn was free.

Devlin grabbed the phone.

“Take us back around,” he demanded. “The men may have gone overboard.”

The deck shifted as the rudder and the directional propellers kicked in. The tug began a sharp, dangerous turn. By the time she’d made it around, Devlin was at the bow.

It was almost dark. The sky held a silver hue above the black sea. The whole scene so devoid of color, it was like living in a black-and-white movie.

Devlin gazed into it. He saw nothing.

As darkness enveloped them, the tug’s spotlights swept the area. No doubt every available eye was straining to find the men just as Devlin was. It was all to no avail.

The Java Dawn would spend the next eighteen hours searching in vain for her lost crewmen.