Sandra Carpenter is a London-based dancer who is distraught to learn that her friend has disappeared. Soon after the disappearance, she's approached by Harley Temple, a police investigator who believes her friend has been murdered by a serial killer who uses personal ads to find his victims. Temple hatches a plan to catch the killer using Sandra as bait, and Sandra agrees to help.

• Hunt Stromberg Productions
• George Sanders
• Lucille Ball
• Charles Coburn
• Boris Karloff
• Cedric Hardwicke
• Joseph Calleia
• Alan Mowbray
• George Zucco