How could the Cannes Film Festival become the biggest cinema event in the world? For 75 years, Cannes has succeeded in this prodigy of placing cinema, its sometimes paltry splendors but also its requirements of great modern art, at the center of everything, as if, for ten days in May, nothing was more important than it. This film tells how Cannes has become the largest film festival in the world by opening up to cinematic modernity while never forgetting that cinema remains a performing art, a popular art.