Soélie, a talented motocross whiz-kid, watches her aspirations of triumph crumble in the wake of a devastating accident. With resilience, she redirects her passion towards mentoring her brother, Michael. When he's enlisted by the notorious TMAX scooter racers for a daring heist in the heart of Paris, Soélie is compelled to conquer her deepest fears and embark on a perilous mission to rescue him.