Biryukov decides to strike first. He testifies against Ilyinsky. Ilyinsky puts him on the case of the murder of the authority's son, and informs the authority that Biryukov organized the assassination attempt on him.
Biryukov returns to service with a new heart after the assassination attempt. A new case – a pedestrian was hit, a girl was driving, she has already killed several people. Pozharsky forbids justifying Svetlana, otherwise — death...
Biryukov is investigating the murder of a medical student. There is obvious evidence against her teacher, as if someone wants to bring an investigation against him. The "interested forces" want to "pin" the murder on the teacher.
Biryukov has a new case: the daughter of businesswoman Mukhina has been abducted. Motive: personal revenge. The kidnapper family died in a plane crash due to Mukhina's negligence. The kidnapper wants to restore justice.
The body of businessman Sergeyev has been found. Witnesses saw him quarreling with an attractive girl. Biryukov finds out that the girl's name is Sveta, she is a prostitute and is a witness, and the killer is the prosecutor's son.
9-year-old Nina was abducted. The maniac dug bunkers in the forest belt and locked the children there. The court found him insane and now Panov is free. Biryukov is torturing Panov. And he points out the bunker where he hid Nina.
Biryukov decides to strike first. He testifies against Ilyinsky. Ilyinsky puts him on the case of the murder of the authority's son, and informs the authority that Biryukov organized the assassination attempt on him.
Biryukov walks down the street and sees several people beating another. Andrey saves a migrant worker. Haykaz says that he and several of his comrades have filed a complaint with the prosecutor's office and now they face death.
Biryukov takes prosecutor and his son, the murderer, hostage, records a message to the president, and posts it online. Claims all evidence against him is forged by Demidov to pressure the investigation...
