Gothic horror directed by Mario Bava. Christopher Lee stars as the sadistic Kurt Menliff, who returns to his family's castle where most blame him for the suicide of his former lover, a servant girl. Kurt soon begins a violent love affair with his brother's new bride Nevenka (Daliah Lavi) but before long he is stabbed to death. While the family deliberate over who is responsible, he appears as a ghost and begins to haunt the object of his desire...