Who is she — the mistress of her brother? With the search for an answer to this question begins his private investigation Anastasia Kamenskaya . She did not suspect that a trifling case at first glance will take on a truly international scale, and in the course of the investigation she will have to face a number of cruel and seemingly unmotivated murders. And, of course, she could not have foreseen that she would be helped to unravel this criminal tangle by a combat paratrooper general and a mother thief in law, in debt to whom she would remain forever. And with my brother's girlfriend everything became clear immediately...