Lt. Duvalier, separated from his unit, receives aid from a woman who leads him to Baron Von Lepp's castle. Upon arrival, the lieutenant discovers the woman is the baron's deceased wife, dead for two decades. Directed by Roger Corman, Francis Ford Coppola, and Jack Hale, with writing credits to Leo Gordon, Jack Hill, and Roger Corman; Boris Karloff, Jack Nicholson, and Sandra Knight star.