The working class twin sister of a callous wealthy woman impulsively murders her out of revenge and assumes the identity of the dead woman. But impersonating her dead twin is more complicated and risky than she anticipated.

• Warner Bros. Pictures
• Bette Davis
• Karl Malden
• Peter Lawford
• Philip Carey
• Jean Hagen
• George Macready
• Estelle Winwood
• George Chandler