Police Lt. Leonard Diamond vies to bring a clever, well connected, and sadistic gangster to justice all the while obsessing over the gangster's girlfriend.

A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor conducting secretive experiments, international spies trying to steal his secrets, a radioactive light on the sea bottom, and the malevolent thing which guards it.

Discharged naval officer Dan Corbett moves to New Orleans and accepts a job as a longshoreman, unaware that the docks are run by an infamous racketeer. When the dock manager is murdered before he can notify the authorities of their criminal scheme, Dan coordinates with the police to go undercover and investigate.

Detective Andy Doyle suspects that a suicide is actually a murder. He suspects the victim's son, Wallace who is blind and he pursues him until he gets to the truth.

Priestess Oma is forever young in this Jungle Jim knockoff of "She" or the La of Opar stories from "Tarzan". The Jungle Jim-type character is played by Weissmuller using his own name.

Four young starlets, from various parts of the world, are called to Hollywood to test for the lead in a major film. Each is romantically pursued by the director, composer, playboy, and actor. Which one of an international quartette of beauties will replace Universal's glamour star in an upcoming Biblical epic?

Cleo Moore stars as Mary Adams, whose first step on the road to ruin is a $25,000 robbery. Mary hides the money, then confesses to the crime, secure in the belief that she can dig up the loot upon her release from prison.