简介：Gerald Clamson (Jerry Lewis) is a bank examiner who loves fishing on his annual two week holiday. Unfortunately one day at the ocean he reels in an injured gangster in a scuba diving suit named Syd Valentine (also played by Lewis). Syd tells Gerald about diamonds he has stolen from the other gangsters and hands him a map. Gerald escapes as frogmen from a yacht machine gun the beach. They swim ashore and locate Syd where they machine gun him. Their leader Thor (Harold J. Stone) ensures Syd's demise by firing a torpedo from his yacht that goes ashore blowing a crater into the beach.