Brittany, France, 1980s. A group of friends, fed up with the boring country life and eager for excitement, create a radio station.

One night, Leo, a Spaniard working in Brussels as a subway driver, sees a young man on the edge of the platform, just before he falls onto the tracks.

Nothing goes well for Juliette! The school where she used to teach has burned down, and her unique class will have to be dispatched to the four corners of the…