An insurance man wishing for a more exciting life becomes wrapped up in the affairs of an imprisoned embezzler, his model girlfriend, and a violent private investigator.

An aging gambler on a losing streak attempts to rob a casino in Monte Carlo. But someone's already tipped off the cops before he even makes a move.

A police detective's violent nature keeps him from being a good cop.

Expecting the usual loss, a boxing manager takes bribes from a betting gangster without telling his fighter.

In New York City, a bank robbery of $300,000 goes unsolved for a year, until some of the marked bills are found in a Los Angeles drugstore theft. Police detectives Cal Bruner and Jack Farnham investigate and are led from the drugstore to a nightclub, where singer Lilli is another recipient of a stolen bill. With Lilli's help, the partners track down the remaining money, but both Lilli and Jack are dismayed when Cal decides he wants to keep part of it.

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.

Fed up with her small-town marriage, a woman goes after the big time and gets mixed up with the mob.

Lawyer Joe Morse wants to consolidate all the small-time numbers racket operators into one big powerful operation. But his elder brother Leo is one of these small-time operators who wants to stay that way, preferring not to deal with the gangsters who dominate the big-time.

When an employee at an illegal gambling den dies suspiciously, her sister, Nancy, looks into the situation and falls for Johnny O'Clock, a suave partner in the underground casino. Selfish and non-committal by nature, Johnny slowly begins to return Nancy's affection and decides to run away with her, but conflict within his business threatens their plans. As Johnny tries to distance himself from the casino, his shady past comes back to haunt him.

A brash young lawyer takes a short-term, high-paying job as bodyguard for a slick business exec being threatened by a former partner, and quickly realizes he may be in over his head.

Holly Parker, the wife of a wealthy diplomat, is compromised by the accidental death of a man who has been romantically pursuing her. She is forced by her mother-in-law to assume a new identity in order to save the reputation of her husband and infant son. She wanders the world, trying to forget her heartbreak with the aid of alcohol and unsavory men. Eventually returning to the city of her downfall, she murders a blackmailer who threatens to expose her past. Amazingly, Holly is represented at her murder trial by her now adult son, who has become a public defender. In the hope of protecting her family, she refuses to reveal her real name and is known to the court as "Madame X".

Childhood chums Rocky Sullivan and Jerry Connelly grow up on opposite sides of the fence: Rocky matures into a prominent gangster, while Jerry becomes a priest, tending to the needs of his old tenement neighborhood.

Ambulance driver Frank Jessup is ensnared in the schemes of the sensuous but dangerous Diane Tremayne.

An upper-crust family dinner is interrupted by a police inspector who brings news that a girl known to everyone present has died in suspicious circumstances. It seems that any or all of them could have had a hand in her death. But who is the mysterious Inspector and what can he want of them?

A telephone repairman in Los Angeles uses his knowledge of electronics to help a bookie set up a betting operation. After the bookie is murdered, the greedy technician takes over his business. He ruthlessly climbs his way to the top of the local crime syndicate, but then gangsters from a big East Coast mob show up wanting a piece of his action.

Cleve Marshall, an assistant district attorney, falls for Thelma Jordon, a mysterious woman with a troubled past. When Thelma becomes a suspect in her aunt's murder, Cleve tries to clear her name.

Bootleggers on the lam Frankie and Noll split up to evade capture by the police. Frankie is caught and jailed, but Noll manages to escape and open a posh New York City nightclub. 14 years later, Frankie is released from the clink and visits Noll with the intention of collecting his half of the nightclub's profits. But Noll, who has no intention of being so equitable, uses his ex-girlfriend Kay to divert Frankie from his intended goal.

Former war-time Army buddies now students in college decide to rip off a Reno casino.

A penniless pregnant woman adopts the identity of a rich woman killed in a train crash.

After being framed for a policeman's murder, a criminal escapes prison and sets out for revenge.