The manuscript about the curse of the princes from the noble house of Cantacuzen was made by an official of the detective department, Stepan Andreevich Volkov. Volkov was appointed by the authorities to lead the investigation in the noble house of Prince Antiochus Cantemir, who on his father’s side belonged to the glorious Moldavian family of Cantemir, and on his mother’s side to the family of the Princes Cantacuzin. And then a strange incident happened in the said house. After all, the Cantacuzenes were originally from Wallachia and brought with them to Russia the dark knowledge of their ancestors...