Three girlfriends meet on the eve of Halloween and together with their boyfriends decide to celebrate the holiday by going to Hellfest, a popular festival, the main goal of the organizers of which is to scare visitors half to death. But for the masked serial killer, Hallfest is not just a horror carnival, but a playground for deadly games. This time he decides to pursue Natalie, and now the lives of the girl and her friends are in great danger.