Moscow, 1902. The famous director Konstantin Stanislavsky, in search of inspiration for staging a new play, decides to get acquainted with the life of the city "bottom". He turns to Vladimir Gilyarovsky, a recognized expert on the Moscow slums, for help.
The family film tells about the touching friendship of a girl and a horse.
Klim Shipenko is making a film about Lomonosov starring Pavel Derevyanko. But the actor is overtaken by a creative crisis, and for inspiration he goes to the homeland of the scientist whom he sees in his fantasies. Pavel settles in the house of the Belovs, whose head Egor earns by physical labor. The appearance of Derevyanko changes the usual way of life of the locals: Egor is afraid of losing his wife Masha, their daughter Polina falls in love with a celebrity, and deputy Kholmogor builds an election campaign with the help of a star.
