Anna Chebneva, who worked in the criminal investigation department of Leningrad, was dealing with a case involving a series of armed attacks on savings banks. The criminals managed to stay hidden for a long time, but one day they made a mistake, and one of them was shot while trying to escape. Soon after that, Anna’s little daughter was kidnapped and taken abroad. What motives lay behind this complicated scheme—and was it only revenge by an experienced gang leader? Who will help Anna in this situation, and how is the case connected to the famous dancer Ida Rubinstein?