林思颖经常做一个奇怪的梦,梦中有另一个家庭,另一个妈妈,那个家庭贫困潦倒,妈妈无理暴躁,经常打她骂她,由于梦过于真实,每次醒来都害怕很久。终于有一天,她又在梦中挨打了,醒来却看到身上真的有伤痕。。An escaped lunatic who was once known for murdering and collecting teeth has escaped from a mental asylum. Now, a group of teachers on a trip find themselves in grave danger as they are stalked one by one in the middle of the mountains.。