When the Blue Fin vanishes into the Caribbean with his wife and daughter aboard, Alex Walker is mystified, until he discovers a Pentagon cover-up that spread from the ocean around Key West to the White House itself. In shockwaves of instant death, two American submarines have also vanished, wrecked in top-secret Navy tests. Now, with the help of a smart, sexy reporter and an expert in deep-sea sound waves, Walker is racing against the U.S. Navy to raise the Blue Fin from the depths. In the menacing waters of the Bermuda Triangle, the final battle begins - a battle that could expose the most awesome weapon ever unleashed beneath the seas.