Penny is an atypical ten-year-old girl because she lives with her parents in the Tower of London Her father is Chief Yeoman...She discovers an old farthing in the Tower grounds after a trip to the dentist. The farthing dates back to 1483 and Edward V, and has special powers... Penny begins a magical journey that takes her back-and-forth from the Middle Ages, encountering the Princes in the Tower, Richard - Duke of Gloucester, and his wife - Anne...