Anton Kopaev, an employee of the Department of Internal Security, is going on vacation. On the station square he saw a crying girl. It turned out that Dasha - that was her name - had her bank card stolen and a large sum of money withdrawn from her - a gift from her parents for the upcoming wedding. Anton decides to postpone the rest and help the girl, especially since at first the matter seems trivial to him: to “scour” the territory of the station and find the pickpocket who stole Dasha’s card. However, in the end everything turns out to be much more complicated. During the investigation, Anton learns that an organized criminal group, headed by a high-ranking official, is involved in fraud with bank cards in the city...