Undersea adventurer Dirk Pitt faces the toughest challenge of his life when he plunges into a deadly sea zone to rescue the gigantic Starbuck, America's nuclear arsenal, while battling deep-sea assassins.
Dirk Pitt, the Special Projects Director of the National Underwater and Marine Agency, becomes involved in a perilous mission when he is sent to find and salvage a deep-diving nuclear submarine that has inexplicably disappeared in the Pacific Ocean.