Terror just got an invite. Desperate to get away from the city, two couples take off for a tranquil weekend in the English countryside. It's not long before the pleasant atmosphere is perforated by a wounded stranger who claims to have been attacked. Upon further investigation they learn that a brutal killer, who leaves his victims hanging from trees like trophies from an apocalypse, is stalking the nearby woods. As fear rises and paranoia sets in the accusations fly. Who can be trusted? How well does everyone know each other? Could one of them be the notorious Tree Surgeon? Who will die next?