Despite the million-watt smile, media-savvy personality and his wild oceanic exploits, Kai Lenny - the person - has remained somewhat of an enigma.

Here, Red Bull lifts the lid a little on Kai, as a film crew embeds with the Maui surfer as he prepares for the biggest winter of his life. What emerges is a driven and dedicated young man who will do whatever it takes to achieve his goal of becoming “The best big wave rider on the planet … bar none”. And as this doco shows, he is well on the way to achieving that.