When Xi, a shepherd from one of the most remote parts of Tibet, flees across the Himalayas to India, he doesn't know what awaits. But his very act of fleeing-alone and on foot-demonstrates a unique skill. In Tibet, Xi had barely heard of the marathon, never raced against anyone other than himself. Now, with the help of the mysterious Mr. Singh, he sets out to do what nobody has ever done before: break 2 hours for the marathon-all while remaining true...