Doctor Who: Royal Blood

The Grail is a story, a myth! It didn t exist on your world! It can t exist here! The city-state of Varuz is failing. Duke Aurelian is the last of his line, his capital is crumbling, and the armies of his enemy, Duke Conrad, are poised beyond the mountains to invade. Aurelian is preparing to gamble everything on one last battle. So when a holy man, the Doctor, comes to Varuz from beyond the mounta...