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.

Under the neon lights of a gym, surrounded by a gang of butchs, Billie Kohler, the electro-clash icon of the 2000s, lifts weights with passion.