During the excavations, students from Astrakhan find a gold statue of a horse buried during the time of Khan Batu. A young priest Boris Radostev came to Moscow to achieve the preservation of the church in the Leningrad region, which they are going to demolish. By chance, he gets into the hands of a mysterious device that allows his father to observe the sins of Muscovites. Some of the boyars, instead of serving the king-father, served before the Polish king Casimir IV .. Such was the boyar Roman, who betrayed the Prince of Velizh Drutsky .. The traitor is avenged by Prince Yuri, but he will not be able to cope with the traitor alone … True, on the side of young Drutsky suddenly appear werewolves … Vasily Golovachev, Andrei Ulanov, Daria Zarubina, Mike Gelprin, Andrei Frolov, Andrei Angelov and other leading domestic science fiction in the traditional yearbook "Russian Fiction"!