Tsar Nicholas I is enamoured by Natalia, the wife of Alexander Pushkin. To cover his tracks, the tsar encourages the suit of Georges d'Anthès, a French officer, with the help of Count Alexander von Benckendorff. Pushkin hears rumours of D’Anthès’s love for his wife and challenges him to a duel. The officer attempts to save his life by marrying Natalia’s sister Ekaterina. Returning from his country estate, Pushkin receives anonymous letters and insists on a duel with D’Anthès.

In order to seal one of the rooms of Professor relocated from raw basement working with his daughter. Flats start attending the factory workers. Guests are becoming more and more, and the professor begins to read popular lectures in the workers' club. Between the younger son of a professor and his daughter working there is a feeling and the characters decide to get married ...