It was begun by Sergio Corbucci (DJANGO), completed by Antonio Margheriti (THE LONG HAIR OF DEATH) and remains one of the true masterpieces of Gothic Horror: When a journalist accepts a wager that he won't survive the night in a haunted castle, it will unlock an odyssey of sexual torment, undead vengeance and a dark seductress (the legendary Barbara Steele) who surrenders the gravest of pleasures.