Desc: Uplotnenie: Directed by Anatoli Dolinov, Aleksandr Panteleyev, Donat Pashkovsky. With Ivan Lerskiy, Dmitri Leshchenko, Anatoli Lunacharsky. In the apartment of a professor is visited by various factory workers and the professor decides to start lecturing in the working club. The younger son falls in love with the worker's daughter and they decide to get married.