The central character is Anastasia Latysheva, a law enforcement officer. She is investigating a case involving the murder of a beauty salon owner. During the investigation, Anastasia encounters local officer Katerina Aminova and Lina Smirnova, a graduate of the Moscow State University Law Faculty. The women offer their assistance. After Anastasia is appointed as the head of the Women's Homicide Department, she hires Katerina and Lina. This brave trio is in for many dangerous adventures.