Sanya returns from the Academy, and Hera, Valera and Vasya throw him a bachelor party. Ayvaz and Lyusya are going to apply, but it turns out that Ayvaz does not know where his passport is. As a result of investigations, it becomes clear that Katya did not cheat on Sanya.

Sanya apologizes to Katya, but she refuses to forgive him for nothing. Aiza bugs Kuchin and together with Lenka listens to what he is doing at his ex-girlfriend's place. Gera and Vasya sell spinners to pensioners under the guise of protection from 5G radiation. Crane beats up Sanya.

Injured Sanya rests at home and asks Lenka to visit the old man. Lucy's twin sister returns from prison. Father learns that Lenka and Sanya are going to get married without registration.