The Curse of the Grezhetsky House. Investigations of the Mechanical Detective

After exposing a conspiracy in Obolotsk, Ariadna’s abilities earn even more respect, and Viktor Ostroumov is offered an award. At the same time, the political situation in the empire grows increasingly tense, threatening not only conflict with Decemberia but also the overthrow of the Empress. At this moment, Viktor considers a new case about the disappearance of a son from a famous family to be insignificant.

However, it soon becomes clear that the Grezetsky estate in Iskrokretsk hides many terrible secrets. Will Ariadna be able to find the criminal and save Viktor from the curse of the Grezetsky line?