Marusi's father dies on the operating table, and from that moment her life has changed dramatically. In search of work, the girl meets Alexei and his cousin Kostya. Both young men are not indifferent to Marusa - now she has to make a difficult choice. She still does not know that Kostya is the very doctor who unsuccessfully operated on her father.
The story of the film is based on real historical events. The most famous crimes from the mid-eighties of the last century to the present day have been used as the basis for the detective plots of the picture. The main character, Oleg Krainov, after serving in the army, comes to Moscow to enroll in the acting department at VGIK.