About the book: 2003 / Winter 1904. A secret organization is operating in St. Petersburg, committing unprecedentedly daring murders. The police were running wild in search of the criminals. The danger and complexity of the case only fuels the passion of the experienced investigator Virchow. He gets closer and closer to the criminals, repeatedly finding himself on the verge of death. Mura, the owner of a private detective bureau, unwittingly interferes in the official investigation. Only her insight allows her to expose the mysterious criminals.…