In this detective drama, a gumshoe must find a priceless hunk of jade. His several leads evaporate when the police succeed in killing all of the suspects.

Newspaper reporter Tim Rourke keeps writing articles that attack the police department for its failure to solve a chain of murders, which nearly leads to the reporter's death. He calls in private detective Michael Shayne, who turns up a blonde and a blackmailer.

Former burlesque star May and her daughter Peggy dance in the chorus. When May has a fight with featured dancer Bubbles, Bubbles leaves the show and Peggy takes her place. When Peggy falls in love with wealthy Randy, May fears class differences may lead to misery.

Italian partisans help a professor sent by the OSS to find an atomic scientist held by Nazis.

The title character, played by Edmund Lowe, is a famous magician who fakes his own death -- then reappears as his nonexistent twin brother. It's all part of Gregory's master scheme to pin his "murder" on innocent John Randall, the husband of Ellen, the woman Gregory loves.

A private eye is hired by a mayoral candidate to prevent any sort of adverse publicity. It seems that, somewhere in town, there's a talking blackbird who insists upon saying that the candidate will commit a murder. When the killing occurs, the candidate is implicated, and the detective is off on a hectic pursuit of the incriminating crow and the actual murderer.

A mystery writer is intrigued by the tale of notorious criminal Dimitrios Makropolous, whose dead body was found washed up on the shore in Istanbul. He decides to follow the career of Dimitrios around Europe, in order to learn more about the man. Along the way he is joined by the mysterious Mr. Peters, who has his own motivation.