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.

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.

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

A spectacular heist starts to unravel as the crooks take it on the lam.

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

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.

Recently paroled from prison, legendary burglar "Doc" Riedenschneider, with funding from Alonzo Emmerich, a crooked lawyer, gathers a small group of veteran criminals together in the Midwest for a big jewel heist.

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.

Movie star Charlie Castle draws the ire of Hollywood producer Stanley Hoff when he refuses to sign a new seven-year contract. Castle is sick of the low quality of the studio's films and wants to start a new life. While his estranged wife supports him in the decision, Castle's talent agent urges him to reconsider. When Castle continues to be uncooperative, Hoff resorts to blackmail in order to get his way.

A charming racketeer seduces the DA's stepdaughter for revenge, then falls in love.

Frank Warren is a treasury agent assigned to put an end to the activities of a powerful mob crime boss. Frank works undercover, posing as a criminal to seek information, but is frustrated when all he finds are terrified witnesses and corrupt police officers.

An examination of the machinations behind the scenes at a real estate office. Unscrupulous salesmen try to hawk dubious real estate to suckers.

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.

Newspaper men compete against each other to find a serial killer dubbed "The Lipstick Killer".

A small-time hood shoots his way to the top, but how long can he stay there?

A corrupt D.A. with governatorial ambitions is annoyed by an investigative reporter's criticism of his criminal activities and decides to frame the reporter for manslaughter in order to silence him.

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?

Belfast police conduct a door-to-door manhunt for an IRA gunman wounded in a daring robbery.

A dark personal secret drives a young woman to use every man she encounters.