Adult students begin the new academic year at the evening school: a staff member, a bus driver, a salesman, a former beauty pageant participant, an ex-prisoner, a pensioner, a migrant and a couple of teenagers.

The conflict between Katya and Dimon is gaining momentum. The head teacher finds a place for his hobby.

Dimon decides to change his tactics in seducing Katya. The principal demands that Alyona stop pursuing her hobbies at school.