Johnnie learns crime from petty thug Frank Wilson. When Wilson kills a pawnbroker with a gun stolen from Johnnie’s sister Madge’s fiance Fred Burke, Fred goes to Sing Sing’s death…

A convicted racketeer becomes prison trustee when an inmate whom he persuaded to escape is killed.

Holmes, retired to Sussex, is drawn into a last case when his arch enemy Moriarty arranges with an American gang to kill one John Douglas, a country gentleman with a…

An auto engineer and a professor’s daughter pose as married servants in a mobster’s mansion.

After a young woman is coerced into prostitution and her brother framed for murder by an organized crime syndicate, retribution in the form of an ape visits the mobsters.

A romantic drifter gets caught between a corrupt tycoon and his voluptuous wife.

University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley’s friend Dr. Sovac attends to…

Angered that her sister Celia has stolen her fiance, Dell Faring kills her and allows Celia’s husband David, knocked out in an argument with Celia, to take the blame and…

Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair…

A veteran, Joe Hilton, returns from the war to find that his brother Jeffrey Hilton, a gangster, has been killed. His quest for revenge leads him to take over his…

Rick Mason is the no-good lowdown rat who tries to capitalize on postwar patriotism and grief. He finagles a war widow into giving up her savings for a nonexistent memorial….

A telephone repairman in Los Angeles uses his knowledge of electronics to help a bookie set up a betting operation. After the bookie is murdered, the greedy technician takes over…