Years after narrowly escaping a mass slaughter that left her traumatized, Rachel reluctantly attends a Spring Break retreat with her friends. Her brother in tow, her borderline abusive boyfriend flirting with her girlfriends, and hangers-on along for the ride, the entire group decide to spend Spring Break in an isolated cabin in the woods. Hormones, secrets, and skinny-dipping abound, but there's a lingering danger around the edges of their adventure, creepy noises and strange happenings, including a nail through the foot of one of the girls.