Nothing is quite what it seems in Paranoiac, a riveting, complex tale of greed, dementia and deceit from Hammer Films, the experts in terror. Rescued from a suicide attempt by a man claiming to be her long-dead brother, a young heiress (Janette Scott) finds a new reason to live. But her relatives have doubts; they think "Tony" (Alexander Davion) is an imposter who's trying to get his hands on the family fortune. Everyone, especially her especially brother Simon (Oliver Reed), has their own secret reasons to suspect Tony. Its an all-out race to see whose designs will win over his vast inheritance.