Émile is afraid of the world. He no longer goes outside and paints everything blue. One night, his son Yoan encounters Soraya, a teenage fan of Tamil dance. She will help him find the right colour.
Youri is 20 years old and he has always lived with his mother in a social housing district near Paris. But his building is going to be demolished because of an urban renovation project. Youri doesn't accept the idea of leaving his home : that's his spaceship.
