When a ransom bid results in the death of a child, the police have only one lead – the old lady who witnessed the kidnapper using a public phone box. Though her recollection is vague, she volunteers to act as bait for the killer – telling the press that she had seen the kidnapper's face and she waits for him to attack.

Tab Hunter as a scary-eyed Aryan-blonde psychopath living in London, who emerges from prison and immediately proceeds to psychologically - and eventually physically - destroy his small family.