In 1980, in an Uzbek city, the deputy head of the criminal investigation department, Pak, and the man who was with him in a cafe were killed. The head of the regional criminal investigation department, Tura Samatov, comes to the conclusion that the murder was organized by the leaders of the local drug mafia. Immediately after Samatov took investigative measures, he was sent into retirement. However, Tura, together with his friend Valentin Silov, who was fired from the police due to false libel, independently continues the investigation. They manage to detain the drug caravan and Puck's killer. But they are prevented from exposing the leaders by powerful forces interested in preserving the drug mafia...