London, 1308. "All I need is a Plan " So says Oswald of Harlech, a misplaced Welshman in the heart of London. Besides his trade as a tinker, he also robs houses, cuts purses, plays a crooked shell game, and has a way with the ladies. But this time, caught in the act of robbing a house, he is blackmailed by the scheming Keeper of the King's Wardrobe into stealing the Crown Jewels from the impenetrable Tower of London. Gathering his gang...