It tells the story of a therapy group that is forced to confront the monsters of their past when an isolated weekend retreat tests their emotional resilience and ability to survive....

某座住宅区，负责公寓内各项维修事务的菲恩（Matt O'Leary 饰）和约瑟（George Finn 饰）是一对穷的叮当响的好基友。某天菲恩的女友凯莉（Danielle Panabaker 饰）来到他们的住处，当得知住在隔壁的贝先生已经很长时间没走出房门时，凯莉自告奋勇上门查看，结果却一脸错愕地回到二人面前。原来贝先生早已不见踪影，房间内一面墙贴满了以三个人为对象的拍立得照片，窗口则有一台奇怪的...