When an alien abduction nightmare is revealed to have been much more than a dream, a skeptical grad student studying the "modern mythology" of UFOs and ETs finds himself confronting an impossible reality involving shape-shifting extraterrestrials, implanted objects, organ harvesting and humans possessed by a malevolent alien presence unlike anything he has ever heard about. All while dealing with a growing suspicion that he is somehow the center of the aliens' plan.

A recently paroled outsider returns to his desolate hometown, only to find a community plagued by a disturbing darkness. As he grapples with his own past and the town’s sinister secrets, he becomes the prime suspect in a series of gruesome murders.

萨姆失去了亲近他的人，生活变得模糊不清。 当他的母亲建议到她的森林度假屋放松一下时，萨姆抓住这个机会——不知道一个古老的实体，以悲伤为食，将脆弱的心灵扭曲成迷幻的地狱景象，住在森林里，饥肠辘辘，等待着。

猿猴家族收养了一位特殊的孩子，一个自小被遗弃在森林深处的婴儿男孩。在猿猴们的悉心照料下，男孩快快乐乐的长大了，他们给他取名叫泰山。由于自小在猿猴家长大，泰山敏捷得跟猿猴一样，结交很多的森林朋友。直到有一天，深入到森林深处的探险家打破了泰山宁静的生活，这时他才发现自己原来是人类的一员。泰山爱上了探险家的女儿珍妮，但人类的所作所为又令他对回归人类还是继续在森林生活进退两难，泰山最终将如何抉择？