The Bowery Boys tangle with Scotland Yard, diamond smugglers and a gem-toting canine during an ocean cruise.

A crotchety, old ex-attorney solves the violent theft of a priceless diamond from his nephew.

A homely girl is seriously injured in a car crash. When she eventually wakes up in the hospital, she's astounded to see that plastic surgery has transformed her into a world-class beauty. When she finds out that a mysterious "benefactor" has paid for her surgery, she sets out to find out who he is and why he did it.

This is an anthology film with three stories. In "Portrait of a Murderer", a female artist draws sketches of a mysterious neighbor. She is unaware that the man is a murderer. "Duel at Dawn" is set in 1880s Austria. Two military officers fight a duel, with the survivor free to claim the heart of their shared love interest. "The Midas Touch" is a romance story of sorts. Jonah Watson is a successful American businessman, but is disgruntled with his life. He emigrates to England to start a new life, and works as a common servant. But he falls in love with a cockney maid who dreams of marrying into wealth.

Officer Karl Torok's best friend, Count Alvinczy, is elected president of the Hungarian cabinet. Meanwhile, Alvinczy's wife, Madalaine, receives a message from a blackmailer, threatening her husband. When the blackmailer winds up dead, Madalaine appears to be the most likely suspect. Torok, however, knows the case is more complicated than it seems and dedicates himself to revealing the truth behind the mystery.

When Brighton Lorrimore returns home with his new bride, Phyllis, his family makes their disappointment in his choice obvious. Facing bankruptcy and the loss of their mansion and social position, they had hoped that Brighton would marry wealthy heiress and family friend, Edith Gilbert.

A young British nobleman comes back from fighting in the War of the Roses to discover that his father has been murdered by an old family friend who is now an outlaw. However, he becomes suspicious about the exact circumstances of his father's death and determines to find out exactly what happened.

Occupants of a London boarding house become suspects as a string of murders are discovered.

Private eye Jerry Church is hired by a criminal defense lawyer after five mobsters he has gotten acquitted are apparently strangled by a serial killer.

Art editor Madeleine Damian carries on numerous loveless affairs. After a failed relationship with advertiser Felix Courtland, the increasingly depressed Madeleine attempts suicide. When Jack Garet, her secretary and former lover, tries to blackmail her, Madeleine resigns and seeks a reclusive life. Neighbor David Cousins befriends Madeleine, but soon Courtland and Garet discover her whereabouts and disrupt her new life.

The owner of a plantation in the jungle marries a beautiful woman. Shortly afterward, he is plagued by a strange voodoo curse which transforms him into a gorilla. But is his transformation real or is it all in his head?

Helen Chernen pushes her younger sister Katherine into show business in order to escape their small town poverty.