本片改编自Jonathan Penner小说《The Bridge To Body Island》。讲述的是三个大学生，特雷弗·梅西,杰弗里·索罗斯和西蒙·赫斯曼在校外无意间释放出一种超自然实体的故事，凯瑞·安-莫斯、费·唐娜薇等影星倾力加盟。

Deep in the Northern California woods, in the heart of the notorious Emerald Triangle, lies a remote cabin. The residents struggle to fight off the repeated attacks and abductions by mysterious creatures that have plagued them for years. When a local pot farmer is caught up with a wayward group of campers the situation quickly escalates into total carnage.