We often imagine athletic performance as a triumph of speed, strength and agility of the body. In an age of standardized physical training, however, the brain has become a new field of research. Understanding and mastering neurological functions is now a priority for anyone who wants to become and remain number one. The film takes us to the very limits of human capabilities, as seen (and tested in practice) by some of the world's best athletes. These include basketball player Rudy Gobert, Formula 1 driver Charles Leclerc, surfer Justine Dupont and footballer Pierre-Emerick Aubameyang.