The main character of the TV series is 17-year-old Dasha Gomonai. A combination of circumstances and an accident will turn her life upside down. Dasha, on a false accusation of complicity in a robbery and murder, is under investigation. All the evidence and eyewitness information is against her, and the girl faces a considerable prison term. The case of the main character comes to the young investigator Andrei Potapenko, with whom she quickly finds a common language. A spark runs between them. The only thing that prevents them is Potapenko's engagement.