A secret organization of hired killers known as the “Killer—Club” receives an order to eliminate a number of the highest-ranking government officials. Facing the killers’ audacious scheme are professional counterintelligence officers Matvei Sobolev and Vasily Baluev, who have mastered every kind of hand-to-hand combat. It is they who must fight for their lives—not only against the killers, but also against the mysterious Union of Nine Unknowns, in essence a “shadow government” of Russia.