It started with a dirt bike soaring 300 feet in the air, ending with rider and bike exploding into the Californian sand dunes. But with the rider walking away, a sport and lifestyle was born. Freestyle Motocross is the ultimate, most intense, high-stakes extreme sport on the planet, filled with rebels and hellions, willing to pay the ultimate price for the ultimate rush. Featuring interviews with X Games legends Travis Pastrana, Tony Hawk and more, Unchained: The Untold Story of Freestyle Motocross is the definitive, adrenaline-soaked and sometimes heart-wrenching story of the birth and never-ending evolution of this sport.