At the most critical moments of earth's history, the fate of humanity is decided in Russia. This pattern has been repeatedly confirmed by the past, present and even future. And now the existence of not only their home planet, but also hundreds of universes located on neighboring Branches of the great Tree of Time depends on courageous guys from a harsh and mysterious country. At stake in the game started by the powerful and indifferent “chronosurgeons” is the fate of the Metagalaxy and Life itself.