The story of how women have fought their way into the world of sport, an arena jealously guarded by men.

Competitive bodybuilder Léa Pearl is preparing to compete for the prestigious Miss Heaven title. Her coach, Al, a former bodybuilding star, hopes that, thanks to Léa, he will be back in the spotlight once again. But at the last minute, Léa's ex arrives with their son Joseph, who she hasn't seen in four years.