The main characters are five young girls who follow each other's lives on a social network. Veronika suffers from complexes due to excess weight, Ira is looking for true love, Olya is experiencing a crisis in family relationships, Alyona is focused on creative realization, which her husband hinders, 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 guru of psychology. But happiness is individual for each person, and universal advice does not always work.