Constantinople, the highest glory of the Christian world, would fall to the pagans, but its greatest moment would never die. For I shall tell of it, and it will always last. The year is 1453. Constantinople, the capital of the eastern half of the Roman Empire, faces the threat of destruction. At its gates are the armies of Mehmet II, Sultan of the Ottoman Empire, who brings with him evidence of modern warfare—the great cannons which batter the ancient walls, breached only once before in their long past.