A year after a string of murders at Camp Rolling Hills, the notorious Angela Baker assumes the identity of a new camper named Maria and sneaks her way into an experimental camp. This camp, which combines privileged and underprivileged teens in team-building activities, is run by clueless counselor Herman and his unprofessional staff. As Angela integrates with the campers, it quickly becomes evident that she harbors a deep disdain for those she considers misbehaving or morally corrupt. Utilizing her cunning and ruthlessness, Angela sets out to rid the camp of what she deems negative influences one by one.

With the unsuspecting campers divided into teams for a series of challenges, tension and conflict brew among the diverse group. Angela methodically exploits these divisions and keeps her homicidal tendencies under wraps, as she picks off victims strategically. Amidst the backdrop of typical camp activities, a series of suspicious disappearances go unnoticed by the inattentive counselors. With each day, Angela digs deeper into her twisted mission, while the remaining few campers struggle to survive against an evil lurking just beneath the friendly surface of camp life.