Tanya, a young educator, accompanies twelve teenagers to a theatre festival in Sochi under the supervision of Maria Genrikhovna, an experienced head teacher. Initially, there's little sympathy between the two teachers. However, they discover a deeper bond in much more fundamental things: aversion to marching in formation and other forms of officialism. Their ability to find joy even in challenging situations unites them.
Stepa is 28 years old. He was recently released from prison on parole, and now dreams of becoming an elite plumber and working in Moscow. However, fate has other plans. Having inherited his grandmother's old room in Nizhny Novgorod, Stepa became the heir to his relative's dark past: she turned out to be a policeman's gentleman. Now a dishonest policeman demands that Stepa repay her grandmother's debt — 2.5 million rubles, otherwise the young man will go to prison again.
The main characters are five young girls who follow each other's lives on a social network. Veronica suffers from complexes due to excess weight, Ira is looking for true love, Olya is going through a crisis in family relations, Alyona is focused on creative realization, which is hindered by her husband, Dasha selflessly helps others, forgetting about herself. The desire to make their lives better leads them to the online marathon "Happiness is you!", which was launched by the psychology guru. But happiness is individual for each person, and universal advice does not always work.