The Case of the Black Dervishes

2018. Moscow. Senior investigator Orest Volin is investigating a case related to the disappearance of a valuable copy of the Quran of Uthman. The case is complicated by the murder of the thief. Volin concludes that the thief was actually... supposed to steal the original Quran of Uthman, which is a Muslim holy relic and has just been brought from Tashkent to St. Petersburg. 1923. Another diary of detective Zagorsky tells of the investigator's trip to Tashkent. At the same time, a theft of the famous Muslim holy relic - the Quran of Uthman - occurs from a special train coming from Ufa. It is believed that the Quran of Uthman contains certain apocryphal surahs and verses given to the prophet Muhammad from above, but removed from the final version of the sacred book due to their danger to the faithful. If the Quran of Uthman falls into the wrong hands, it could destroy the entire Muslim world. Zagorsky and his loyal assistant Gantzalyn take on the case…