大卫（Luke Wilson 饰）与艾米（Kate Beckinsale 饰）是一对刚经历了丧子之痛的夫妻，为了纪念他们即将分解的婚姻，两人驾车行驶在茫茫夜色中，进行他们最后的分手旅行为抄近路，大卫拐入了一条荒僻小路，然而行驶不久车子即宣告故障，一位子夜时分仍未眠去的年轻人出现帮助了他们，但问题仍未解决。大卫与艾米不得不步行到一家汽车旅馆休息。旅馆内空无一人，值班室内传出令人毛骨悚然的尖叫声，值班...
Set in the deep freeze of a northern Michigan winter, when a group of college students volunteer to assist their psychology professor with his research, their weekend retreat turns into a nightmare....