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.
Yuri, 16, has lived all his life in Gagarin Towers, a vast red-brick housing project on the outskirts of Paris. He dreams of becoming an astronaut. When plans to demolish Gagarin Towers leak out, Yuri joins the resistance. With his friends Diana and Houssam, he embarks on a mission to save their home, which has become his “starship.”
