Rocks, mud, waves, ice: always higher, faster and more radical. These guys and girls only think in superlatives as they push themselves to the limit to get to the point where many of us would never dare to go. These sportsmen and women come from all over the world and pursue a sport or a way of life in which they continually challenge themselves to be the best. In this series we take a look into their lives and accompany them on training exercises and expeditions. How do they make their decisions? What is their drive and their passion? Where does this relentless surge for self justification come from or perhaps that isn't the reason why they do this?