A group of 18-year-old girls share a room in a modern boarding school that was once a nunnery. At a party in the forest, they meet two young and attractive men. But one night a bestial murder happens, and on a wall was written in blood:
HER FLESH IS UNDEFILED AND PURE, YET HER HEART IS MINE FOR SURE. - THE DEVIL
Tom Knocker is a pseudonym of the German author Thomas Neukum / Thomas Newcome.