Anatoly Lunin is a former clinical psychologist, and now a consultant in the operational investigation group on high-profile crimes. A unique method based on the peculiarities of his psyche helps Lunin solve crimes. He can get used to the role of the criminal, literally get into his head, and restore his motives. Anatoly knows that his abilities are a mental illness that he has to hide. His boss, Colonel Pokrasov and journalist Drapova seek to expose the hero, but Lunin is saved by the intercession of the high authorities — General Mordvinov. Anatoly has a difficult relationship with his colleague, a full—time criminologist psychologist Arina Solodovnikova. However, with each new case, her opinion about him changes — Arina is convinced of Lunin's professionalism and unusual talent.
Schoolgirl Masha and her parents are forced to move from Moscow to Novoorsk. After the elite gymnasium on Rublevka, it is not easy for a girl to put up with the rules of a provincial school. At her new school, she becomes a victim of bullying — sophisticated psychological and physical harassment by classmates. It becomes especially harsh because of Masha's feelings for Chris's boyfriend, the main star and rebel of the school. At the suggestion of Chris, the nickname "Crybaby" was glued to Masha. To cope with problems and tears, the heroine is helped only by music and a band that she has put together with other students.
The story of the principled Ivan, who became disillusioned with the relationship after breaking up with his beloved Katya, but suddenly became the main "lot of sales" in the fake marriage agency of his friend, businessman Gosha. Unaware of the role prepared for him, Ivan becomes the target of a hunt for hundreds of unmarried girls who are ready to do anything to get a “macho millionaire” as their husbands, this is how Gosh advertises his friend.
Sveta Vasilkova - my mother's "Firefly" - moves from a tiny village to the city to study at an elite school. The appearance of a strange newcomer in a red cap, who seems too smiling and naive, immediately changes the usual life of the class. The future elite of society is forced to look at themselves from the outside and find not the best features. Not everyone is ready for this, and a split occurs in the group. In order to somehow return the guy's attention, the beauty and leader of the company Zhenya decides to reveal the girl's secret.