A group of friends get together for the annual Halloween party, but are interrupted by mysterious visitors.
Darren gets the job of a lifetime when Hollywood comes knocking, and wants him to write a script based on the events of a traumatic experience he had. Like a fish out of water, Darren begins to spiral and disassociate much like his friend did years before.
Birdwatchers, activists, scientists, and a film crew unknowingly converge in Bigfoot's neck of the woods, where something even more sinister lurks.