After an extended stay in England, Sophie Lang returns to America. She is beautiful, sophisticated--and a notorious jewel thief. A New York police detective who's been trying to nail her finally comes up with what seems a foolproof scheme--to catch her off guard by having her fall for a handsome and suave jewel thief who happens to be in the U.S. traveling under an assumed name.

Members of a teenage gang are sent to the State Reformatory, presided over by the callous Thompson. Soon Patsy Gargan, a former gangster appointed Deputy Commissioner, arrives and takes over the administration to run the place on radical principles. Thompson needs a quick way to discredit him.

Actress Jessica Wells, sister of actor Damon Wells, is on top of her form except when her husband Vance is around. When Vance takes her to the apartment of a theatrical producer she comes home incoherent and Vance is found dead in the vanished producer's hotel suite.

Val takes the assistance of a society reporter and a journalist to investigate the disappearance of her half-sister Arlene, a wealthy socialite who is involved in criminal activities.

After socialite Lynn Llewellyn receives an anonymous threat, he is poisoned at his uncle's casino, and although he recovers, his wife is murdered by the same killer.

Before Ruth Vincent, daughter of a state governor, and state attorney general Robert Sheldon can announce their marriage, the governor is accused of bribe-taking. To avoid the appearance of a conflict of interest, they decide to keep their marriage secret. The political intrigue becomes more involved, and no one is quite what they seem. Soon Sheldon and Ruth must decide between saving the governor's career and an innocent person's life.

A former government agent in France, who has failed at an assignment and been disavowed, is deported back to the USA, where he can only find work at a low-rent detective agency. He soon gets involved with a woman with ties to a crooked gambling club owner, who is a client of his agency.

Ordinary man-in-the-street Arthur Ferguson Jones leads a very straightforward life. He's never late for work and nothing interesting ever happens to him. One day everything changes: he oversleeps and is fired as an example, he's then mistaken for evil criminal killer Mannion and is arrested. The resemblance is so striking that the police give him a special pass to avoid a similar mistake. The real Mannion sees the opportunity to steal the pass and move around freely and chaos results.

Brash hoodlum Tom Connors enters Sing Sing cocksure of himself and disrespectful toward authority, but his tough but compassionate warden changes him.