在一次万圣节鬼屋之旅的五个晚上，一场莫名其妙的故障导致15名游客和工作人员死亡，一位纪录片摄制组又回到悲剧现场，去发现究竟发生了什么。

It's been eight years since the opening night tragedy of Hell House, LLC and still many unanswered questions remain. Thanks to an anonymous tip, investigative journalist Jessica Fox is convinced that key evidence is hidd…