Polina Kazakova, or, as she is also called in the city, Miss Robin Hood, found herself in an unusually difficult situation. This time it concerns Polina and her grandfather Arisha personally. Having unexpectedly returned from Malta, where Polya was vacationing with her close friend and faithful assistant in matters of justice Alina Nechaeva, Miss Robin Hood found her new half-brother, Vladimir Pashutin, who had come from nowhere, in her house. Polina immediately suspected the young man of deception, but she could not convince her grandfather of this. In a short time, Volodya managed to gain the trust of Aristarkh Kazakov and now, taking advantage of the situation, he constantly borrows huge sums of money from him, which, according to Polina, she does not even think about giving back...