Pugachev goes to the detention center on charges of extorting a bribe from Diana. To understand what happened, Vershinin and Gubin go to St. Petersburg to Dashkevich and find out that the CSS has been deliberately digging for their department for a long time. Vershinin understands that in order to save Pugachev, one must act decisively. At this time, Davydova, following Komarov, becomes a witness to his secret meeting with Major Lodygin. She understands that all this time Komarov just used her.