It's Catherine's birthday. You're invited to her torture party.
A young girl is caught up in a devil cult run by her wicked uncle and cousin. She can trust no one and even those she thought were dead return to haunt her.
- Release Date: August 1, 1976
- Runtime: 90 minutes
- Production countries: United Kingdom
- Original Title: Satan's Slave
- Original Language: English
Genres: Horror