What does it take to climb the world’s first 9c? Bernardo Giménez' documentary shows what preceded on the afternoon of September 3, 2017 when professional rock climber Adam Ondra made a little piece of climbing history by sending his project in the Hanshelleren Cave in Norway. The route, eventually named Silence, received a new grade of 9c making it the hardest route in the world.

Adam Ondra is the best climber in the world, a mantle he has earned by doing the unthinkable. After he established not one, but two new grades in the world of sport climbing , feat almost unfathomable in its difficulty, where does he go from there? This feature film follows Ondra across Europe to North America, as he innovates new training methods and attempts to be the first person to send 5.15 on the first try. A rare, intimate journey with one of the greatest athletes at the peak of his powers.