Mitraillette is 12 years old and lives in Rose City, a housing estate he would not leave for anything. His whole world comprises his family, especially his 16 year-old cousin Isma, who has taken a fancy to Narcisse, the local crime boss. His older brother Djibril is 22, a student at the Sorbonne who dreams of becoming a lawyer. As for Mitraillette, he has his eye on Océane, the most beautiful girl in his school...

Oppressed by her family setting, dead-end school prospects and the boys law in the neighborhood, Marieme starts a new life after meeting a group of three free-spirited girls. She changes her name, her dress code, and quits school to be accepted in the gang, hoping that this will be a way to freedom.

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.