Betriek lives at the edge of a peat bog in the North of the Netherlands. When she and her family are attacked by a random stranger one night, Betriek sets out to find an explanation. The more she digs, the more she becomes convinced that she is being hunted by something ancient.
In the aftermath of a personal tragedy, Harper retreats alone to the beautiful English countryside, hoping to find a place to heal. But someone — or something — from the surrounding woods appears to be stalking her, and what begins as simmering dread becomes a fully-formed nightmare, inhabited by her darkest memories and fears.