In the suburban landscape of Rockton, a man with a thirst for blood has crashed the party. Anthony Ulrich, The White Hall Slayer, is on the loose. Escaped from the halls of the Willows Grove Institution, he cuts a deadly path of slaughter that finds him as the uninvited guest at a sleepover crawling in warm, young bodies. But on his trail is Gregory Quinton, a storied detective who is battling the memories of his past while seeking out the lunatic who is responsible for a climbing death toll of mutilations. One he fears will continue to increase as the night goes on. Lock your doors, turn out the lights, hug your children, Ulrich is on the loose in The Sleepover Massacre