In 1919, Russia could have taken a different path. What would its appearance be like if the Bolshevik experiment collapsed? How would the leaders of the “white” movement behave? What would yesterday's comrades and allies become for each other?.. The author answers these questions in the genre of an exciting detective story. His heroes will challenge new conspirators who are ready to risk the fate of the wounded country for the sake of power. "Seventh at Thirteen" is a story you won't get bored with. There was a place for secrets, intrigue, political passions and simple human feelings. Many characters have real prototypes. And yes, the real story is always alternative!