Ritual of Evil (1970) is a psychological thriller about a psychiatrist who becomes involved in a mysterious and dangerous case when he begins treating a troubled young woman. As he delves deeper into her past, he uncovers a connection to a sinister ritualistic crime. With an eerie atmosphere and suspenseful twists, the film explores themes of obsession, mystery, and the dark secrets lurking beneath the surface. This chilling tale is perfect for fans of classic psychological thrillers.