Éléonore is driving west when her car breaks down in the middle of Brittany, France. She rents a bungalow there in a campground with a view of the lake, in which, it is said, lives a legendary beast. From mobile home to mobile home, she observes the present, summons the past and lets herself be invaded by fiction.

Jake loves living in Chicago but when big city violence hits a little too close to home his parents buy a campground in rural Minnesota and move the family there. Jake hates living at the campground until he meets Peter, the boy across the river. The two quickly become best friends and spend a fun-filled summer together on the river. In one of their conversations, Peter shares his Christian faith with Jake. Jake uses his new faith to help a friend through a tragedy.

Thirty years after a horrifying event forced its closure, a group of camp counselors is tasked with re-opening Camp Sack-In under new ownership. Little do they know that dark secrets from the past linger in the woods. The campers are forced to fight for their lives as an axe-wielding Woodsman stalks them and exacts a brutal revenge on anyone unlucky enough to cross his path.