Trapped in an abandoned insane asylum, five college students and the rogue scientists who abducted them must band together when a supernatural threat appears....
A dark rainy night, an empty house, a stranded couple and an unknown man. A sleek game of the cat and the mouse starts playing on, as the three of them find a dead body in the basement....
小有名气的惊悚小说作家苔丝·索恩（玛丽亚·贝罗 Maria Bello 饰）受邀去某地进行演讲，人生地不熟的她迷失方向，汽车还在某个根本没有手机信号的地方爆胎。当她手足无措的时候，孔武健壮的卡车司机（威尔·哈里斯 Will Harris 饰）出现答应帮她更换轮胎，然而这个暴徒见色起意，对苔丝进行了残酷的虐待，还把她丢在了一个浸泡着三四具女性尸体的坑道中。侥幸逃命的苔丝一路跌跌撞撞回到家中，她曾尝试...
