About the book: 2008 / A series of brutal murders sweeps St. Petersburg. The one who commits them has enormous powers of magic... Apparently, the crimes are the work of a dangerous maniac who considers himself the “Prosecutor of the Devil.” But if you carefully study the biographies of the victims, it is unlikely that any of those killed will evoke even a drop of sympathy... Law enforcement officers are powerless in this case. The case has to be investigated by employees of the “Third Watch” - a kind of magical special forces whose purpose is to protect the city from possible otherworldly dangers..