Ep 5. Episode 5

The investigation leads Masha and her department to Pavlovsk. She faces Buffet there while he was looking for one of the statues in a local museum. During the pursuit he grabs Masha's gun, but doesn't shoot her, instead calling her a daughter. Masha learns that Buffet was a policeman before the war and that her parents and Buffet's wife were evacuated on the same train.