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.

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.

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

In early 19th century New England, an unscrupulous woman uses her beauty and wits to seduce, deceive and control the men around her.

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.

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.

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

Ex-con turned private investigator Bradford Galt suspects someone is following him and maybe even trying to kill him. With the assistance of his spunky secretary, Kathleen Stewart, he dives deep into a mystery in search of answers.

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 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.

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

A savings-and-loan bank is robbed; later, a police wiretap identifies meek bank teller Leon Poole as the inside man. In capturing him, detective Sam Wagner accidentally kills Poole's young wife, and at his trial Poole swears vengeance against Wagner. Poole begins his plans to get revenge when he escapes his captors.

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

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

A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.

Truck driver Mike Lambert is a down-and-out mining engineer searching for a job. When his rig breaks down in a small town, he happens upon a venomous seductress. When her boyfriend robs a bank, they intend to frame Lambert.

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

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

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 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.