Anton, Marina and Polina are all good. But unexpectedly Anton is contacted by Polina's real father. Anton decides to hide this information from Polina. Kuzya tries to find true love and accidentally meets Masha. Zuev has quarreled with his wife and lives at the Mikayelans' house. Varya finds out the true reason for the Zuevs' disagreements. Valya is a scientific celebrity, he is constantly absent at work, which greatly displeases Masha.

Michael and Varya are looking for a house. A realtor, thinking that they have a lot of money, offers them to "test" a very expensive mansion. Anton is terribly jealous of Polina's real father and does everything he can to prevent their meetings. Valya has confessed to Masha that he has cheated on her. Masha, on the other hand, is in no hurry to confess, but then Kuzya gets involved.