Captain Dmitry Korsakov is one of the best FSB operatives. He is fluent in hand-to-hand combat, bladed weapons and firearms. In an extreme situation, it instantly becomes a fighting machine, merciless towards enemies. And there are many of these enemies. There are Chechen terrorists, gypsy drug dealers, mafia deputies, and werewolves from their own department. It is impossible to fight them with white gloves, and Korsakov has his own method of fighting for everyone...