Chinese ventriloquist Gordon Cobb is murdered by a gang of jewel thieves. Baffled by the contradictory clues, Inspector Queen asks his son Ellery to help out.

• Larry Darmour Productions
• Ralph Bellamy
• Margaret Lindsay
• Charley Grapewin
• Anna May Wong
• James Burke
• Eduardo Ciannelli
• Frank Albertson
• Ann Doran