Petersburg. Mysterious and gloomy, at times ruthless and arrogant, looking at the bustle of the world of the living with the cold stiffness of a dead man. This city shocks, fascinates and incessantly devours human lives, turning people into ghosts, and making ghosts look like people.Behind its front facade in dilapidated communal apartments, among the labyrinths of gray streets, in the echoing bowels of gloomy entrances and mad geniuses, adherents of ancient cults, perverts, leaders of secret organizations ... and poisonous something that is not comprehensible to common sense.And every new moon, young women are brutally murdered in this city. But the sinister night Ripper is only a link in the crimson-red chain of demonic passions, madness and loneliness, stretching like a noose through space and time from the darkness of medieval legends...