Stirling Castle in Scotland - one of Europe’s most celebrated forts and the legendary home of King Arthur’s round table. Scotland’s great kings claimed to be descended from Arthur – but why?

Historians follow the trail to France where they uncover how Arthur was used as a political weapon in Scotland’s bloody wars of independence. The gruesome discovery of a shattered skeleton inside the castle challenges the popular accounts of Stirling’s most famous battle, immortalized in the movie Braveheart. And could strange melted stones uncovered close to Stirling provide evidence that this famous site was the scene of a brutal thousand-year-old war crime?