When 11-year-old Beth uncovers the secrets of a golden manuscript, her reluctance to practise playing the piano is quickly forgotten. She and her new professor embark on a magical, musical journey over the skies of Cambridge. As co-pilot aboard his piano-turned-flying vessel, Beth must quickly learn to navigate the dangers ahead by using musical terms, notation and the power of her scales. But who is the unlikely hero in saving a life mid flight? Whose wisdom and wizardry inspire Beth and her friends to play in a dazzling, impromptu orchestral performance? And how ever did Beth's curious crotchet collection turn music practice into fun?