Polina is not very happy about the uninvited guests. Vitya is trying to find out from Marina why she decided to meet him after thirty years? Marina says that their old mutual friend named Barabula is getting out of prison. He has a number of questions for Marina and Vita. Meanwhile, Tolya and Kolya's "express-gassing" method is failing

After the incident at the opening of the tourist complex, subsidies from the government of the region are under threat. Vitya and Raisa go to Oleneozersk to meet with a high-ranking official to defend the project. Marina, with an experienced eye, notices the crisis in the relationship between Vitya and Polina. Irka and Tolya move into a new apartment and realize that they are not alone in it. Meanwhile, Barabula and his henchman Lyosha appear in Polyarny.

Barabula demands that Vitya take out the notorious billion from the city budget. But it turns out that it's not that simple. Marina and Polina are trying to find a common language. And Tolya and Kolya are arguing whether it is possible to survive in an old Soviet refrigerator during a nuclear explosion.