A mechanic gets caught up with the mob when he falls for a gangster's girlfriend.
An innocent man turns fugitive as he reconstructs events that implicate him for a murder and robbery he did not commit.
A forger steals and kills for a rare book from a library in order to make forgeries to sell to rich suckers.
John Cummings, an unsuccessful cosmetics salesman, has his unpaid-for car stolen by one of the hoods in the employ of Lionel Meadows, the sadistic organizer of a London car conversion racket. The car was not insured, and since the police appear indifferent to his plight, Cummings decides to find it himself - and gets himself involved in an underworld battle.
After robbing and murdering his married lover and then making her death look like suicide, conniving philanderer Ronnie Mason relocates to Los Angeles. Under a new identity and claiming to be a writer, Ronnie finds lodging at the home of Hilda Fenchurch and her mother. He woos Hilda, knowing she has money, but when he discovers that Hilda's sister, Anne, has just inherited $25,000, he switches his attentions to her.
Fed up with her small-town marriage, a woman goes after the big time and gets mixed up with the mob.
A young doctor taking a break from work is shot in the head, and the police can't find a clue even as to a possible motive. Inspector Al Gordon (John Alexander) decides that he has to put some men on duty at the hospital, and one of them is Fred Rowan (Richard Conte), a detective with experience as an army medic, masquerading as an intern. What Rowan finds is a high-pressure world in which interns are hopelessly squeezed for time, sleep, energy, and - most of all - money, and walk a fine line on the edge of personal and professional disaster.
A former boxer turned taxi driver earns the scorn of his nagging wife and gets mixed up with jewel thieves.
A mentally unstable man, who has been kept in isolation for years, escapes and causes trouble for his identical twin brother.
After two gang-related killings in "Center City," a suspect (who was framed) is arrested, released on bail...and murdered. Inspector Briggs of the FBI recruits a young agent, Gene Cordell, to go undercover in the shadowy Skid Row area (alias George Manly) as a potential victim of the same racket. Soon, Gene meets Alec Stiles, neurotic mastermind who's "building an organization along scientific lines." Stiles recruits Cordell, whose job becomes a lot more dangerous.