When her longtime friend claims to have evidence of Big Foot's existence, archaeologist Annja Creed can't resist checking it out for herself—she's been debating the subject for years. Annja's curiosity leads her deep into the woods of the Pacific Northwest, to meet Jenny where the supposed trail has been left by the one and only Sasquatch.

But when Annja arrives at the destination, a group of armed thugs warn her to leave the area, and her friend is nowhere to be found. Now the search for Sasquatch turns into a rescue mission, and Annja has only her instincts to guide her in a forest full of predators, scavengers and spirits. And someone, or something, does not want her there...