FBS Major Evgeny Voropaev… a special forces man blown up by a mine in Chechnya. A one-armed, legless disabled veteran. Was. Fate and science gave him another chance, and now he is Yegor Sinelnikov, a junior lieutenant of the NKVD in a parallel world—the “oprіchnik” of Beria. He has regained youth and health: not only preserving his former knowledge and skills, but gaining much more… Yet the USSR of 1937 received not only Yegor from the future. An endless stream of information about weapons, technologies—everything that could help the Soviet Union avoid monstrous losses in the Great Patriotic War—keeps coming. What will Stalin do when he learns that his USSR will collapse at the end of the 20th century? What can even modern information do to that world, considering that time there moves faster than for us? And Yegor, who is already a colonel (how quickly!), also finds himself—besides everything else—in love with the daughter of the “father of the peoples”…