The film takes place at an ordinary Moscow school with morals and manners. A new pupil from the provinces comes to a graduation class and breaks all dispositions and challenges the recognized leader, arrogant guy from a rich family.
To restore the leading position he resorts to desperate measures and subjects the young and inexperienced English teacher to a cruel hoax. Scandal flares up and the head of studies wishes to expel the insolent fellow from the school.