More than 25 million climbers worldwide, including more than 2 million in France. There's no stopping the tidal wave of climbing, which became an Olympic discipline in 2020. Between counter-culture, cult of performance and dream of equality, the film goes to meet the prophets who have shaped climbing today.

France has played a crucial role in making climbing a sport in its own right. That was in the 1980s. A handful of trailblazers developed the sport at the highest level, introduced climbing to schools and towns and revived vertical dance.