Hayley and Xavier, two young adults from the small town of Pine Bush, N.Y. have been friends since childhood. After Hayley's twin sister dies in a car accident, Xavier is determined to get her out of her funk. They go on a camping trip that is ended abruptly by a wildfire. When they make into the town in the valley of the Shawangunk Mountains, everyone is missing, all the food is gone and something is in the woods. Something, not quite human, is at the top of the food chain now.