With eight world titles to his name by 2006, Kelly Slater was considered the Tiger Woods or Tony Hawk of surfing. When the man who was the youngest ever world champion aged 20 decided to seek a historic ninth world title at 35, his place in the sporting hall of fame was secured. "Cloud 9" follows the two-year campaign leading up to Kelly Slater's historic ninth world title. As well as in-depth interviews with the man himself, the film features skateboarding legend Tony Hawk and surf stars Mick Fanning, Dane Reynolds, Jeremy Flores, Jeff Hakman, Miky Picon, Taj Burrow, and Joel Parkinson who bear witness to Kelly's incredible career. Four-times world champion Mark Richards narrates the journey.