Seven Deaths in the Cat's Eye

Jane Birkin stars as Corringa, a beautiful young girl who returns from a convent school to her family's ancestral castle. But within these walls seethes unspeakable evil, including religious fervor, depraved desires, and sudden, sadistic murder. Now, someone with a taste for terror is slaughtering the castle's demented guests. Six have already met their deaths...and for delicious Corringa, the ultimate torment is still to come! (official distributor synopsis)