Gustave, a music lover trucker, and Lou, his younger sister, head south to follow a track leading to their brother, Jules, gone 5 years ago. But the reunion turns out to be hectic between Gustave, who reigns over the family like a patriarch, Lou who dreams of emancipation, and Jules, fervent militant anarchist. In a Spain in crisis, the journey takes an initiatory turn where the visions of the world and of the family is confronting each other and conflicts are coming to light.