And again, the “time hunters” of retired intelligence officer Lobov are on the warpath against entities from the world of “dark matter”. They don’t even dream of peace. After all, not only the fate of modern Russia, but also of all humanity is at stake. And... oh, how difficult it is to adapt to a new time, in a new historical situation. It’s not easy, even if you find yourself in the past as a high-ranking nobleman. What fate then can await our contemporary, who found himself a poor, homeless boy in the era of Ivan the Terrible? Will he be able to survive in his new world and complete his combat mission?