Have you ever wondered what would happen if you sent a bunch of Polish university students to a summer camp with a mysterious murderer? Kostek is a 25-year-old university student. He has a cat, good friends, and a relatively normal life. They were supposed to have a nice summer vacation, but everything turned upside down when Kostek and a few of his friends found their friend dead in their cabin. Now their mission is to find out who's behind this mess...