Avery Malone lands the opportunity of a lifetime in assisting the world-famous, reclusive horror writer, Caleb Conrad, in writing his latest novel. Caleb proposes a psychological experiment to study true fear, with Avery as his guinea pig. Diving into Avery's torn psyche, strange happenings begin to occur in Caleb's remote cabin estate. As the lines between fact and fiction blur, Avery suspects her boss may not be who he says he is, but a killer inspired by his own novels.