Inspired by Butch Cassidy and the Sundance Kid, Simon Casson and Richard Adamson follow on horseback the trail of their boyhood heroes. They ride 2,000 miles through America's toughest and most treacherous terrain, crossing deserts, mountains, canyons and the high-plains of the 'Old West'. They have to endure harsh conditions and cope with natural hazards and in so doing bring the exciting and violent lives of the Wild Bunch vividly to life. This dramatic, inspiring adventure provides an insight into America's past and present.