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.