A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.

In New York City, an insolent pickpocket, Skip McCoy, inadvertently sets off a chain of events when he targets ex-prostitute Candy and steals her wallet. Unaware that she has been making deliveries of highly classified information to the communists, Candy, who has been trailed by FBI agents for months in hopes of nabbing the spy ringleader, is sent by her ex-boyfriend, Joey, to find Skip and retrieve the valuable microfilm he now holds.

An ambulance driver gets involved with a rich girl that might have a darker side.

A sailor gets his boat stolen from him after he's set up for a crime.

Richard Widmark leads an all star cast of marine leathernecks including Jack Palance, Robert Wagner, Karl Malden, Richard Boone and Jack Webb into battle on a heavily fortified island. This action-packed story follows the squad as they pick their way through enemy-infested jungles on a time sensitive mission to find the source of the enemy rockets. As the mission progresses, the squad and leader overcome many challenges as they are transformed into an effective and efficient fighting unit.

An American returns to Tokyo to try to pick up threads of his pre-World War II life there but finds himself squeezed between criminals and the authorities.