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.
| Actor | Role |
|---|---|
 Adam OndraSelf | Self |
| PPavel BlažekSelf | Self |
| KKlaus IseleSelf | Self |
| IIva VejmolováSelf | Self |