Elizaveta Petrovna had just buried her husband, with whom she had lived all her life. The only daughter and the only grandson - that's the whole family, whose life was largely determined by the deceased. In the process of parsing her husband's things, she discovers a letter from her husband. It contains a secret that the head of the family kept from Elizabeth Petrovna for several decades, the story of his French love and a child born out of wedlock. The woman is trying to tell her daughter Valeria about this, but she has her own problems and interests, "not up to it." What to say about the grandson who lives in a separate, separate reality. It seems that in this family it is simply not customary to listen, let alone hear each other. But gradually, family members, each experiencing grief in their own way, find common ground.
Oleg, the host of a TV show is asked to cover in his show a new ultramodern amusement park called "Park of the Soviet Period". The life in the park is an exaggerated version of the soviet life - pioneers parading, girls selling soda water on the street, socialist banners are everywhere, communist party decisions, free medical procedures, etc. When Oleg falls in love with a nurse he discovers that the rules of the Park forbid any personal contact with the staff, that was trained to live a very different life compared to the life in the world outside. As he fights to gain the heart of the nurse he finds deep flaws in the Utopian atmosphere of the park and decides he must do something about it.