A man looking for his fortune in a mine decides to tempt his partner with his much younger wife. The goal? To catch them "in the act" and kill him without consequence.
Ambrose C. Park, left on a park bench as an infant with an impulsive need to find his parents, is an assistant to a diamond cutter. Shyster lawyer Remlick, in a strategy to get a fabulous uncut diamond through Ambrose, arranges for Emily Drummon, Duke Fargoh and Maggie Drummon to pose as Ambrose's long-lost parents and sister. The diamond, through many comic situations, is acquired and the gang is going to have Ambrose cut the diamond, and relieve him of the two stones and his parental illusions at the same time. But Maggie, who has no taste for the deception, tips Ambrose off and a wild chase ensues. At the end, Ambrose is very happy as he can now marry his "sister."
A famed trumpet player is suspected of murdering a blues singer. Using only two minor clues, he narrows the suspects to four people, but only after surviving poison placed on the mouthpiece of his trumpet!
An American realtor living in England is dissatisfied with what he believes to be his humdrum life. One weekend while his wife is out of town, he gives a ride to a woman he sees stranded on the road. One thing leads to another, and he soon finds himself enmeshed in a plot involving a diamond robbery, gangsters and murder.
London, 1888: on the night of the third Jack the Ripper killing, soft-spoken Mr. Slade, a research pathologist, takes lodgings with the Harleys, including a gloomy attic room for "experiments." Mrs. Harley finds Slade odd and increasingly suspects the worst; her niece Lily (star of a decidedly Parisian stage revue) finds him interesting and increasingly attractive. Is Lily in danger, or are her mother's suspicions merely a red herring?
A hootchy-kootchy whodunit set at a small seedy carnival where a reporter tries to discover who killed his boss while his girlfriend inexplicably joins the burlesque show!
When his wife stops writing to him and his letters are returned unanswered, Dan becomes extremely concerned about her welfare. He returns home but is only able to meet with her briefly before she is found murdered. Dan is the obvious suspect but has only 36 hours to find out who murdered her. In so doing he uncovers a shocking catalogue of his wife's past affairs and an identity that he knew nothing about.
Ace crime reporter Watling tries to discover the identity of a notorious jewel thief, but his informant is murdered. At a house party, Watling helps detective Adam expose the criminal.
Three tales of privileged youth entangled in murder: French students kill for money, an Italian student smuggles cigarettes, and an English poet exploits a grim discovery.
Reformed parolee Steve Lacey is caught in the middle when a wounded former cellmate seeks him out for shelter. The other two former cellmates then attempt to force him into doing a bank job.
On a tramp steamer off Central America are Mr. and Mrs. Sheppard, five prisoners en route to a Nicaraguan prison, and Corbett, an American carrying money for a Honduran counter-revolution. Denied permission to land in Honduras, Corbett releases the prisoners and with their aid hijacks the ship. They land, taking the wealthy Sheppards as hostages, and start the arduous trip upriver to Corbett's rendezvous, meeting jungle hazards
After the suspicious suicide of a fellow cop, tough homicide detective Dave Bannion takes the law into his own hands when he sets out to smash a vicious crime syndicate.