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 unanswe

　　A group of cold case investigators stay at the Carmichael Manor, site of the grisly and unsolved m