It's 1940 and Britain is on the brink of invasion. Londoner George has been sent to live in the countryside while his brother and guardian Charlie trains to be a pilot - but he's very far from safe. An ancient burial ground nearby contains a priceless treasure a magical Anglo-Saxon crown Hitler is desperate to possess. Alongside Kitty the granddaughter of a Jewish archaeologist George must find and protect the crown from the Nazi invaders before it’s too late . . .