The film follows a BBC war reporter and Harvard psychiatrist Dr. John Mack, whose careers were threatened by the investigation of the incident, as well as a former student who journeys back to the rural Ariel School.。4 (four) characters take turns experiencing scary events when they are alone. The terror of these spirits that spread fear, panic, and hysteria just came unexpectedly.4(四)个角色在独处时轮流经历可怕的事件。这些散布恐惧、恐慌和歇斯底里的精神的恐怖,就在不经意间降临了。。