A brutal war breaks out in the criminal world of Tikhodonsk for the redistribution of spheres of influence; An independent, deeply secret gang is becoming more and more active; a group of Chechen terrorists arrives in the city to kill SOBR officers; the criminal investigation department is looking for a criminal who committed a daring double murder; a special group for executing death sentences receives an unlawful order... At the center of all these events is police lieutenant colonel Korenev, nicknamed the Fox. Cunning, brilliant abilities for operational work, personal courage and freedom from the norms of the law allow him to cut the criminal Gordian knot.