In 1938, Walter Neff, an experienced salesman of the Pacific All Risk Insurance Co., meets the seductive wife of one of his clients, Phyllis Dietrichson, and they have an affair. Phyllis proposes to kill her husband to receive the proceeds of an accident insurance policy and Walter devises a scheme to receive twice the amount based on a double indemnity clause. When Mr. Dietrichson is found dead on a train track, the police accept the determination of accidental death. However, the insurance analyst and Walter's best friend Barton Keyes does not buy the story and suspects that Phyllis has murdered her husband with the help of another man.

Nan, a racketeer's daughter, is in love with The Kid, a shooting gallery showman.

Dan Duryea and his cronies rob a fake spiritualist and then take it on the lam to Atlantic City.

In a long flashback, a New York publisher is in Venice pursuing the lost love letters of an early-19th-century poet, Jeffrey Ashton, who disappeared mysteriously. Using a false name, Lewis Venable rents a room from Juliana Bordereau, once Jeffrey Ashton's lover, now an aged recluse. Running the household is Juliana's severe niece, Tina, who mistrusts Venable from the first moment. He realizes all is not right when late one night he finds Tina, her hair unpinned and wild, at the piano. She calls him Jeffrey and throws herself at him. The family priest warns Venable to tread carefully around her fantasies, but he wants the letters at any cost, even Tina's sanity.

Nan, a racketeer's daughter, is in love with The Kid, a shooting gallery showman. Despite Nan's prodding, The Kid has no ambitions about joining the rackets and making enough money to support Nan in the lifestyle she's accustomed to. Her attitude changes after her father implicates her in a murder and she's sent to prison. During her incarceration, her father convinces The Kid to join the gang in order to help free Nan. When Nan is released, she wants nothing more to do with the mob and tries to get The Kid to quit, but she may be too late.

Charlotte "Charlie" Newton is bored with her quiet life at home with her parents and her younger sister.

A vicious cop kills a bookie's runner and steals $25,000 from the corpse. He then frames everyone in sight in order to keep the money to buy a new home for his would-be lounge singer girlfriend.

Alice White is the daughter of a shopkeeper in 1920s London. Her boyfriend, Frank Webber is a Scotland Yard detective who seems more interested in police work than in her. Frank takes Alice out one night, but she has secretly arranged to meet another man. Later that night, Alice agrees to go back to his flat to see his studio. The man has other ideas, and as he tries to rape Alice, she defends herself and kills him with a bread knife. When the body is discovered, Frank is assigned to the case, he quickly determines that Alice is the killer, but so has someone else, and blackmail is threatened.

A black doctor is assigned to treat two white racist suspects who are brothers, and when one dies, it causes tension that could start a race riot.

Deborah Chandler's rejected suitor, Selden Clark, manages the factory of her father, who dies: did he fall or was he pushed? But charming Clark manages to win her over and marry her. On the honeymoon, Clark's former girl Patricia intervenes and opens Deborah's eyes, alas too late. Now Clark tries to kill Deborah. Believed dead by all but Clark, she flees. But drifter Keith Ramsey recognizes and follows her. Can she trust him? Can he believe her?

A Korean War vet returns to his job as a railroad engineer and becomes involved in an affair with a co-worker's wife following a murder on a train where they meet.

At an isolated, seaside greasy-spoon cafe live George, the sarcastic owner; Slob, the potentially violent cook; and Kotty, the sexy waitress all the men lust after. Plus an occasional customer, including "Professor Sam", Kotty's boyfriend from a nearby research facility. And something's going on under the potentially explosive surface emotions…nuclear secrets being smuggled out of the country.

circulation using the plates that Tris Stewart, having completed three years of a ten year prison sentence, had used that led to his conviction.

U.S. narcotics agent Charles Sturgis trails international dope smuggler Frank McNally by following his reluctant accomplice

The unsuccessful writer Stephen Byrne tries to force his servant Emily Gaunt sexually while his wife Marjorie Byrne is visiting a friend and accidentally strangles her. His crippled brother John Byrne coincidently comes to his house in that moment, and Stephen asks him to help to get rid of the corpse and avoid an scandal, since his wife would be pregnant. The naive and good John helps his brother to dump the body in the river nearby his house. Stephen uses the disappearance of Emily to blame her and promote his book. When the body is found by the police, all the evidences points to John, and he becomes the prime suspect of the murder.