A man recently released from a mental institute inherits a mansion after his parents die. After a series of disturbing events, he comes to believe it is haunted.

克林伍德夫妇（Monica Potter & Tony Goldwyn 饰）携女儿玛丽驱车来到湖畔别墅度假，刚抵达不久，玛丽（Sara Paxton 饰）便开车去找朋友佩姬（Martha MacIsaac 饰）玩。期间她们邂逅碰巧路过此地的青年贾斯汀（Spencer Treat Clark 饰），在男孩的邀请下，玛丽和佩姬一同前往贾斯汀所在的旅馆。

三个大学好友一同前往年度派对盛事，当晚却遇上灵异现象，他们能否安然无恙的保全性命？三人的友情又是否能经得起考验？

A man recently released from a mental institute inherits a mansion after his parents die. After a series of disturbing events, he comes to believe it is haunted.