As the war with Sweden continues to rage, Catherine and Aunt Elizabeth visit the military at the Russian front. Seeing the soldiers reminds Catherine of her goal to rule Russia differently. Grigor struggles with Peter and Georgina’s relationship and poisons Peter to end it. When Peter falls ill, Velementov, Orlo, and Marial all try to influence Catherine’s steps toward takeover as Peter’s life hangs in the balance.

Tensions mount as Catherine, Orlo, Velementov, Leo, and Marial try to get regional counts on board with the coup. A few of the men end up killed. When a body is discovered later, Peter decides to torture everyone at the palace to find the murderous traitors. Marial buckles under the pressure and confides in Archie about Catherine’s plans. Catherine realizes she is pregnant.