Taking advantage of the general bustle of the ball, Peter eludes Josephine. Tolstoy, seeing Varya in the crowd, leaves Polina and rushes after her. Sibari jealously watches Olga and Napoleon's conversation. Lugin, holding a dagger at the ready, keeps a close eye on the emperor talking to his wife. Josephine asks Napoleon to beware of Peter: he behaves very suspiciously... Xenia and D'Arnie are preparing to fulfill their master's task.

Olga refuses Sibari but asks to save the child, who is with Spartacus. Finding Mongo in Spartacus' house, Sibari realizes that Olga is his wife. Napoleon, who found Peter and Josephine in his office, demands an explanation. Peter decides to go all in. But Napoleon is amused by his confession. Returning to the masquerade, Peter notices D'Arnie and Xenia among the dancers.

On the street, Peter meets Ksenia and realizes that she really does not remember anything about her past. During a conversation with the Duke of Enghien, D'Arny invites him to lead the conspiracy. Constantine, on the instructions of Napoleon, comes to Sibari to pick up Olga and deliver her to the palace... Tolstoy and Lugin quarrel over Vari. At this time, an agent of Grand Duke Constantine brings her a letter. Young people decide to ask about its contents.

Peter intends to find out why Ksenia lost her memory and where their child is. Sibari informs Olga that her husband is rumored to be dead. Josephine appears at Sibari's house. She suspects that Olga is another mistress of Napoleon... D'Arnie introduces Xenia to the Duke of Enghien, introducing her as his sister. Ksenia asks him out on a date and leads him to the other side of the river, where the border with France passes. The Duke falls into the hands of Anatole's agents, notified by D'Arny.

Peter informs Xenia that the man she considers her husband is a murderer. Back home, Xenia tries to gently question D'Arnie. He forbids her to see Peter. Olga learns from a maid that Sibari had a conversation with Napoleon. Having decided to leave, she goes to church for confession... Varya becomes a prisoner of Spartacus. Xenia comes to Peter. His apartment is a mess: someone searched the house.