6 Western Pacific Ocean, above the Mariana Trench. A bank of cloud formed a dark curtain on the horizon, turning the ocean to ink. "We have to turn back," the captain said. He gestured at the weather report. It showed a gigantic storm approaching from the northeast. "It's too dangerous. We can't deploy the ROV in this. We're heading back." Sam turned and nodded to one of his bodyguards. The man pulled a cell phone from his pocket, thumbed a few buttons and then turned the screen. The captain paled at the sight. "No," he whispered. "Your wife and son will be fine as long as you help us find what we're looking for," Sam said. "They haven't been hurt … so far. If you help us, you'll be able to retire on the cash bonus. But turn back now, and my men will gut your family like the fish you

