Moneyless, ocean-exploring gigolo and his worldly lady-friend are forced to take part in looking into the possibility that aggression - utilizing marine life - is being planned.

Unusually vicious and aggressive sharks attack an oil rig in the middle of the Gulf of Mexico. Dane Quatrell and a team are sent to investigate, but the sharks are still on the prowl and now they have developed a taste for human blood.—Anonymous

When a pack of sharks attack a oil rig transfer station, Dane Quatrell and a team are sent in to investigate. When their sub is attacked by the sharks Dane and two other members are the only survivors. Hours later they are picked up and taken to a Navy research sub where they uncover the truth about the sharks and more that they bargained for.—Fabio Graziosi ([email protected])