The Heimdal detective agency was contacted by a long-time business partner of the father of the bosses, Mike and Gnome, Uncle Egor, as they had become accustomed to calling him since childhood. His large family lives on a country estate that was bought long ago by a businessman and his twin brother. Uncle Yuri, the second head of the family, and his eldest daughter Maria recently died there. Their death clearly looks unnatural, and there is one ominous detail - dolls were found next to the bodies, frighteningly similar to the murdered ones...