Hammer House of Horror: The Two Faces of Evil

The Two Faces of Evil is the twelfth episode of Hammer House of Horror, a one-hour television series that aired in the United Kingdom from April to December of 1980. It first aired on November 29th, 1980. The plot centers around the Lewis family, who pick up a hitchhiker in a rain storm after nearly running him off the road. The mysterious man suddenly attacks the family and Martin Lewis is injured, suffering severe lacerations to his face and throat. He eventually returns home, but his wife Janet wonders if the man living with her is truly her husband... or is it the madman?