Sinthia: The Devil's Doll Soundtrack (1970) OST

In a fit of jealousy and rage, 12-year-old Sinthia committed an unspeakable act of violence and burned down her house with her parents inside. After years of being haunted by her past, she seeks the help of an analyst to exorcise her recurring unnatural sexual desires. As she works with the psychotherapist to confront her demons, Sinthia realises that to move forward, she must confront her past. Having no other option, Sinthia travels back in time to finally rid herself of the torment that has been plaguing her for years.