Successful restaurateur Sergei Vilyegorsky decides to study his ancestry. He doesn't even know how much his life will change. The search for his personal genealogist Vikenty Komarov will involuntarily force Sergei to go to the small town of Vilyegorsk, the homeland of his ancestors. One of the plot lines of the story will introduce readers to the history of the count family of Vilyegorsky, which intersects with the genealogy of the librarian Veronica Smirnova from Vilyegorsk. The personal lives of the characters are closely intertwined with historical events that influence their fate.