Retribution (1987)

In Los Angeles, the depressive painter George Miller tries to commit suicide, jumping off the roof of the low-budget hotel where he lives. However, he survives and is sent to a mental institution, where the psychiatrist Dr. Jennifer Curtis recovers him. But Miller is haunted by dreadful nightmares and Dr. Curtis gives strong sleeping pills to help him. Miller has a surprising welcome party organized by the prostitute Angel, who is his best friend, owners and other guests. He has a nightmare with a frightening murder of a woman and he wanders through the city and has a sensation of deja vu when he sees a boy and his mother. George visits Dr. Curtis believing that he is possessed by a killer but she does not believe. But he is indeed possessed by a vengeful gangster that was killed by his associates and now is seeking revenge using George Miller.