Paweł Zawadzki (Maciej Stuhr) is forced to work in one of the prestigious high schools in Wrocław. The events of the first few days at the new school are already shocking him. There is a tragedy in high school. There are a million unanswered questions. One thing is clear: a murderous game is taking place in the high school. This is not a school like any other. These are not ordinary students, and Belfer did not get there by accident.