Bodyguard Evgenia Okhotnikova cannot get out of her head an unexpected meeting with her acquaintance, a boy named Artem Kormukhin, who claims that he witnessed the murder of a famous businessman. Even his own father, it seems, does not really believe in this story, which he informs Zhenya about when his son leaves home. But Zhenya is inclined to think that Artyom did not just invent the murder to attract attention to himself - quite a lot of facts converge in the boy’s story. Zhenya begins her own investigation and turns for help to her new acquaintance, Gleb, whom Aunt Mila is persistently trying to woo her...