A terrifying story of John Morlar (Richard Burton) who may possess an appalling power control over life and death simply by thinking about it. Morlar is savagely attached in his London flat and Detective Brunel (Lino Ventura) is assigned to the case which leads him to Morlar's doctor, Zonfeld (Lee Remick) to help him understand Morlar. Brunel must determine whether he is chasing a murderer or a vi