In the morning, the body of a homeless man is found in the courtyard of the house. Lena Brusnikina sees his hand with an engagement ring on his finger. Then local movers help law enforcement agencies — they notice that a homeless man named Filosov appeared in new clothes in the morning… He is immediately taken to the department and after a while the old man tells how he got decent clothes. In the pocket of his jacket they find a business card of a certain businessman Samoilov, who lives in the same courtyard in which the corpse was found…

Oleg Matusov, a conscript soldier who has only three months left to serve, escapes from a military unit with a machine gun. He ran away because of his girlfriend Julia, whom his tyrannical father is going to marry the other day. Artyom and Lena's trip to Oleg's mother turns out to be very productive, as it becomes obvious that the fugitive's mother is clearly hiding something. Artyom assigns Vadik, a law student, to her…