After crooked nightclub owner murders a police informant, he blackmails his piano player to allow him to stay at his eccentric mother's boarding house.

Reporter Jane Arden goes undercover to try to expose a gang of jewel thieves and smugglers. Her mission becomes more dangerous when her identity is discovered early on by one of the gang leaders.

Insurance detective Steve Hastings is sent by his company to investigate the disappearance of a fellow agent. His first lead is the agent's fetching sister, Victoria, whom he trails to Mexico City. After charming his way into her confidence, Steve helps Vicki unravel the mystery.

An expedition exploring the Amazon jungle comes across a jungle goddess who lives among the animals and fears none of them--and apparently has found the secret of eternal youth.

George McAllister, the black sheep of a wealthy family who has squandered his share of the family inheritance, lives in constant jealousy, hatred and resentment of his half-brother Barry, who has been supporting him. George gets his girlfriend, Carlotta Duval, a job as Barry's nurse, with the idea being to marry him, kill him, and inherit his money—and marrying George.

A lawyer who is planning to run for District Attorney accidentally kills a gangster who owns the nightclub where the attorney's girlfriend is a singer. Although he manages to cover up his involvement in the crime, his girlfriend discovers the body and is subsequently charged with the murder.

A con woman and a lawyer get a carnival grifter to pose as an elderly rich couple's long-lost son.

Singer Ann wants back her money that the manager of a big-band has embezzled.