Sonya and Igor's engagement is upset, Tanya moves out from the Vasilyevs. Broom doesn't have time to worry about parting, he needs to create a carnival costume for his youngest daughter. Boris's help is needed this time. The twins do not communicate with Plato, so as not to interfere with his decision-making. And now he spends all his free time with Vera from the physics class. Diana and Lisa choose between strength and cunning to get the boy's attention back.

Venik realizes that his relationship with Tanya has reached an impasse. It's time for them to either break up or move to a new level. Vasilyev is not yet ready to make a decision, so he takes Boris on a course to become a father. Platon's mother arrives in Moscow to apologize to her son and take him with her. However, the boy is not prepared for this reunion. The sisters have to pretend that his mother is another aunt and wait for the right moment to reveal the truth.