In the new novel, readers will meet the heroes: Ilya and Sergei, as well as the ancient people living near St. Petersburg, the white-eyed monster. Senseless and sophisticated murders are taking place in the city. Ilya and Sergei are on the trail of the killer. After many dangers, they find out that since ancient times, when puppeteers walked around Rus' with nativity scenes and showed puppet shows, epidemics of senseless murders began in the areas where the performances took place. This “virus” of madness could live in a person for many decades, but at some point it would wake up... And then the person no longer knew what he was doing, he killed out of mischief, for fun... This madness is contagious. And it is unknown in whom the senseless killer still sleeps.