American landings at Inchon were one of the largest amphibious attacks in history, and a few hundred British soldiers on the banks of the Imjin river stemmed a tide of thousands of attacking Chinese. The Snows journey to the border between North and South Korea to examine two important engagements of the Korean War - a war between Communist and Nationalist forces that embroiled soldiers from around the world, and remains unsettled more than 50 years on.