Flying just a few hundred feet above the desert, six single-engine WW2 fighter planes get into position for the highlight event of the Reno Air Races. And with 30,000 spectators watching from below, they fly an eight-mile oval at close to 450 miles per hour. Competing in a highly-modified P-51 Mustang called 'The Galloping Ghost', local legend Jimmy Leeward is determined to set a new speed record. But half-way through the race, his plane suddenly pitches up, spirals out of control, and crashes onto the tarmac in front of the stands. It's one of the worst air race crashes of all time, and investigators call on the pilot's close friend to help them...