A respected history teacher, Ilya Semenovich Melnikov, decides to quit his job due to distressing rumors about a colleague who is in love with him. His final week is disrupted when a student's controversial essay on happiness sparks a classroom conflict. Melnikov's intervention in the situation ultimately causes him to reconsider his decision to resign.

Dalvin Shcherbakov
Borya Rudnitskiy

Nadir Malishevsky
TV presenter

Olga Zhizneva
Polina Andreevna
Lyudmila Arkharova
Nadya Ogarysheva