Police Major Anastasia Latysheva investigates the murder of the owner of a beauty salon and gets acquainted with the "district" Ekaterina Aminova and a graduate of the law faculty of Moscow State University Lina Smirnova. They help her in this investigation, and after the appointment of Latysheva as the head of the women's "killer" department, Katya and Lina will become his new employees.