Mark Hampton from the district attorney's office investigates a shooting outside the nightclub of gangster Nicky Bowman and questions Beverly Brent, the club's piano player. Beverly's real name is Joan Grey, but she uses a pseudonym to avoid damaging the reputation of her father, a college professor, by her association with criminals, including boyfriend Steve London. Gun moll Francie White double-crosses boyfriend Sam Clarke, who is killed while Steve absconds with $100,000 of Sam's proceeds from an armored-car heist.
Two brothers, Ned and Frankie, live on a farm with their elderly grandmother. Ned despises being a farm labourer and falls in love with a girl from the city. She does not like farm life either and dreams of having her own hair salon.
Young nurse Jill Holden gets involved with an extortion gang targeting Mrs Cheam, one of her patients. Jill is implicated in a murder, and is helped by Mrs. Cheam's American lawyer Ross Waters.
Harry Maitland visits philanderer Gerald Barton, intent on obtaining compromising letters written to him by a woman, but fails. The next day he receives the letters, and a covering note from Barton. Barton is then found murdered, and Maitland is arrested and found guilty.
Nosey Norton, a brash and self-assured star reporter for The News, and grizzled Detective Robinson are the first to arrive at the scene of a sensational double murder: two prominent downtown brokers, Randall and Kernell, have been found dead in their office. The only other person present is their jittery office manager, Parker. Parker claims he overheard the two men arguing, followed by two gunshots.
Set on the Maine coast, a young sloop skipper Bramdlet Dickery discovers a plot to smuggle alien Chinese into the United States. Bramdlet's younger brother Thad is enamored with daughter of the captain of the smuggling ship. A struggle over the smuggling ensues.
A film crew board a liner to head overseas for some location shooting. While on board the film's producer is murdered, with many different members of the cast and crew having motives to kill him.
Famous surgeon Emil Zander murders his wife’s lover during a mental blackout. Convicted but deemed insane, he is sent to a private research facility. When his assistant Diana’s father requires urgent eye surgery, his friends smuggle him out to perform it.
Two cases for "Inspector Stryker". In the first case, the detective utilises the aid of young Martha to clear her fiancé, John Kendall, who has been falsely convicted of murder. In the second, Stryker is tipped off that a yachtsman is a jewel smuggler.
An unscrupulous art collector offers to buy a historic priceless statue and spurned. He devises a plan to steal but an ex con beats him to it but only temporarily.
A retired Scotland Yard detective, Patrick Fitzpatrick (Tom Walls) comes back to take one final case, tracking down a missing vase which has been stolen by a gang of thieves specialising in taking art treasures. His investigation takes him to the home of the innocent Mr Pye (Robertson Hare), whose house has been used by the crooks to hide their proceeds.
Sally Bates (Isabel Jewell) leaves Texas, headed for Hollywood, in the 1930s. She is tempted to take a job as a mechanic, with Pop (Arthur Stone), on the highway, but presses on in to town. She's going to sleep in her old "Tin Lizzie".
An accountant's wife is having an affair with his boss. In retribution, the husband calls the Internal Revenue Service to expose a large tax-evasion racket to smuggle gold bullion from Mexico.