In the city of Ust-Vladimirske, an effective fight against drugs is underway. However, the reporting of the local police seems to the Ministry of Internal Affairs leadership like a show. Colonel Gurov is tasked with getting to the bottom of the situation. He goes to the scene, where he witnesses an attempt at suicide by the daughter of one of the operatives. Is this a momentary human weakness, or a fatal chain of circumstances? Until recently, the girl worked in the unit fighting drugs, but unexpectedly she resigned and stopped contacting her former colleagues…