A group of friends from New Jersey, primarily consisting of Teresa, her cousin, and several friends, decides to escape the city for a weekend of fun at a remote beach house. They initially plan a short trip to the Jersey Shore, but when they find it overcrowded, Teresa takes them to her uncle's supposedly empty house deep in the Pine Barrens. As night falls, the friends engage in typical party antics, unaware that their revelry is about to take a dark turn. The secluded setting starts feeling more isolating, especially as they start experiencing eerie occurrences that hint at an unwelcome presence around them.

Soon, their weekend retreat transforms into a fight for survival as they realize they are being hunted by a relentless killer. Each friend must confront their own fear as the group struggles to stay alive amid the chaos. The tension escalates when it becomes clear that the danger is not just lurking outside but has infiltrated their sanctuary. Their camaraderie is put to the test under terrifying circumstances, forcing them to forge unlikely alliances and make harrowing decisions in an attempt to survive until daylight. But with every step they take, the killer seems to be one step ahead, leading to a gripping battle of wits and endurance.