A writer returns home to his estate after service in World War I. He has developed a very bad case of depression due to a war wound concerning his genitalia. He contemplates suicide, but recovers after becoming interested in his caretaker's 12 year-old war orphan niece, who now lives in the manor.
A priest-doctor chasing a man with supernatural regenerative abilities, who has recently escaped from a medical lab, reaches a small town where the mutant goes on a killing spree.
