塞缪尔是一个截瘫男孩，他和母亲埃琳娜住在一个与世隔绝的公寓里。当他遇到丹尼斯时，他找到了向世界敞开心扉的力量。埃琳娜不会轻易放过他，她准备不惜一切代价阻止他。

　　Five carpoolers travel in a motorhome to reach a common destination. Night falls, and to avoid a dead animal carcass, they crash into a tree. When they come to their senses, they find themselves in the middle of nowhere. The road they were traveling on has disappeared and there is only a dense, impenetrable forest and a wooden house in the middle of a clearing, which they discover is the home of a spine-chilling cult.