Bill Nugent, an anthropology professor, is approached by Carla Thomas, a young woman whose father was murdered in the woods in Northern California. She suspects that his death was caused by a Bigfoot who, according to legend, resides in the woods in the region. Despite a number of disappearances and brutal murdersincluding the death of a young couple, the manual emasculation of a biker, and the butchering of two Girl Scoutspolice have deemed the theory of a Bigfoot being responsible a hoax. Carla requests to accompany Bill along with four of his studentsRoy, Pete, Gary, and Lindaon an expedition aiming to prove Bigfoot's existence.