Two detectives are investigating a robbery in which $300,000 was taken. Their investigation leads them to the main player and they find the cash, but one of them has meanwhile fallen hard for a woman ...
莎拉(伊丽莎白·奥尔森 Elizabeth Olsen 饰)和父亲来到了空置已久的湖边小屋,因为这里即将被出售给他人,所以父女两人决定先过来把卫生给打扫打扫,也算是一种告别的仪式。时间一分一秒的流逝着,夜幕渐渐降临,黑暗和静谧笼罩着湖面,亦覆盖了小屋。
一声异响之后,萨拉呼唤父亲的名字,却得不到回应,她搜寻整个小屋,却发现父亲竟然从这件屋子里凭空消失了。夜越来越深,恐惧慢慢充斥了萨拉脆弱的心...