Overview: The well-known writer Streltsova was killed, the Gordeev department is engaged in the murder case. Soon a young man named Musatov comes to Kamenskaya. He was going to meet with Streltsova on the eve of her death - Musatov is sure that she had important information about his father, Lichko, convicted thirty years ago for a series of brutal murders. The investigator, who was leading the case of Musatov's father, is also being killed. Someone really does not want the truth about a series of crimes to come up even after so many years ...