1913 The Police Department of the Ministry of Internal Affairs of the Russian Empire receives a letter from Prussia, in which a certain Franz Gerlitsky, the owner of a tavern on the border with Russia, reports that he is ready to expose a network of distributors of counterfeit money for a reward... The police begin an investigation. First, the tracks lead them to Paris, and then to the banks of the Amur, to Blagoveshchensk. It was there that the thread stretched, grabbing which the official for assignments Mechislav Nikolaevich Kuntsevich and his right hand detective Osip Tarakanov unraveled a whole tangle of crimes...