Academy Award winner Bette Davis stars as woman caught between the man she loves and the man whose secrets could destroy her as she plays a life-and-death game of passion and Deception.

World War II. Music teacher Christine Radcliffe (Davis), who believes that the man she loves, cellist Karel Novak (Paul Henreid), died in the war, has been involved in an affair with her "mentor", composer Alexander Hollenius (Claude Rains). But when Karel returns unexpectedly hoping to marry Christine, Alexander strives to destroy Novak even as he uses the secret of his past with Christine to torment her. Now, as Alexander drives Christine to the brink of murder, will Novak stand by the woman he loves despite everything he learns?