When a Sasquatch researcher turns up dead in a state park, one of his colleagues blames the legendary monster for the killing. Detective Sergeant Natalie Dvorak of the Vermont State Police isn't buying it but her investigation doesn't turn up any obvious human suspects. An important witness goes missing and new signs of the Sasquatch appear even as the wife of Natalie's boyfriend complicates the detective's personal life. Natalie joins with the remaining bigfoot hunters on an expedition that leads to a frightening incident. Are the strange occurrences the work of a mysterious beast or the plot of monstrous humans?