A detective encounters a woman in a nightclub. He finds that she is being blackmailed by a dancer who is murdered that very night. Of course, the woman becomes the main suspect. She and the gumshoe team up and begin searching for the real killer.

A young couple's accident could make them rich, if they can evade a Nazi spy ring.

An elderly woman whose son disappeared years before refuses to move when her apartment building is turned into a college dormitory for male students, as she is convinced that he will return one day. She continues to live in the building after it becomes a dorm, and eventually grows attached to a troubled young student whom she comes to believe is her own grandson. When she finds out that the boy's father will be visiting him, she prepares herself to be reunited with the man she has convinced herself is her long-lost son.

In 1940s Los Angeles, when womanizing composer Keith Vincent is found dead, the inquest concludes it was a suicide but police detective Joe Warne isn't so sure.

An unscrupulous private investigator with a penchant for blackmail is found dead in a car and the leading suspect is Janet Bradley, the daughter of a mayoral candidate. With the election just weeks away, shady and ruthless individuals muscle the medical officer into switching the corpse with another body. Lieutenant Sam Carson, one of the few good apples in the bunch must find a way to get to the bottom of it all.

Lucky Jordan is a gangster living in New York City and when he's drafted into the army, he tries to escape duty by using an old con woman named Annie to convince the draft board he's needed at home. When that fails, Jordan is sent to boot camp, but he doesn't stay there long. He takes a beautiful USO worker hostage and flees back to New York. There, he learns that a rival gangster is plotting against America.

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.

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

Pete Marshall is sent as a replacement to the mountain district town of Plainville when a public opinion surveyor who went there goes missing. Visiting the hillbilly family of Mamie Fleagle, Pete begins to suspect that she and her two sons have murdered the surveyor. Pete also believes that Mamie is slowly poisoning wealthy Grandma Fleagle, who has put a vital clue to her fortune in a nonsensical embroidered sampler.

Pursued by the big-time gambler he robbed, John Muller assumes a new identity—with unfortunate results.