Year 1418. Yegor Vozhnikov, a former Russian businessman, who for the sake of gaining unusual abilities almost by accident ended up in the distant past, and now—Grand Prince of Rus’ Georgiy, Elector of Livonia, and the chosen Emperor of the Holy Roman Empire. After long European campaigns, Yegor-Georgiy managed to seize power and build a great state that now had to be defended: by military force, diplomacy, cunning… England and France barely avoided being dragged into war; in the Pyrenees, Castile with León and Aragon unexpectedly took up arms against the friendly Portugal and Navarre. And in the southern territories, a plague suddenly spreads… Meanwhile in Novgorod, recognized as the capital of the new Rus’, a rebellion begins—“the worst” people rose against “the strong.” Civil strife starts in other principalities too, and powerful enemies are trying to overthrow Aygil, the faithful vassal of Yegor—khanshi of the Golden Horde—sons of the late Tokhtamysh. Passions flare, and even the life of the princely family is under direct threat.