Olga cannot forget that Akulina was Mongo's mistress. In his words and deeds, she seeks confirmation of her husband's affection for the serf actress. Mongo receives a note from Marousi and immediately goes to her. Finding Marousi's lifeless body in the room, Roman asks the janitor to call the police and accidentally forgets the note... Czartoryski informs Alexander that the Persian ambassador has been found. After her release, Varya moved to Aglaya's mansion.