Two married couples become increasingly agitated with each other as they find out things about each other's past, while one of them is reviving disturbing packages from an unknown source

一群悬案调查员住在卡迈克尔庄园，这里是八十年代卡迈克尔一家惨遭杀害的悬案现场。四晚之后，这群人便杳无音讯。在他们的录像中发现的东西甚至比 "地狱屋 "录像带中发现的东西更令人不安。

　　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。