Nursery teacher Jenny and her boyfriend Steve, escape for a romantic weekend away. Steve, planning to propose, has found an idyllic setting: a remote lake enclosed by woodlands and seemingly deserted. The couple s peace is shattered when a gang of obnoxious kids encircles their campsite. Reveling in provoking the adults, the gang steals the couple s belongings and vandalizes their car leaving them completely stranded. When Steve confronts them, tempers flare and he suffers a shocking and violent attack. Fleeing for help, Jenny is subject to a brutal and relentless game of cat-and-mouse as she desperately tries to evade her young pursuers and find her way out of the woods.