In the 1970s, a terrible crime took place in the small Siberian town of Gribov—the ten-year-old granddaughter of the head of the city executive committee was found murdered. The investigation team, where senior investigator Rita Vakhromeyeva works, discovers that similar crimes had happened in the town many years earlier. Rita herself was almost a victim of a maniac in the past. Now she decides to find the murderer and settle accounts with him. This is a unique opportunity to experience the events together with the heroes and feel all the reality of their desperate struggle.