A Catholic Deacon and his family relocate to a suburban New England home that's long been rumored to be haunted by an evil entity. As his teenage daughter, Erica, begins to adjust to a new school and new friends, her ongoing bouts with sleep paralysis worsen and she begins to wonder if there really is a presence inside the home. Meanwhile, when two of Erica's high school friends are brutally murdered, she begins to suspect the creepy neighbor who she's noticed watching her through his window.