The main characters of the film is a company of students who have recently entered college. They just managed to taste the adult free life away from their parents. Now the world has acquired new colors, and everyday life has become more saturated - filled with entertainment and interesting activities. A stern physical education teacher in a technical school puts a “fail” to the whole group. The reason is simple - truancy. But adolescents cannot stand any morality from the lesson the man taught them and decide to teach him a lesson.