Bee's family runs a lakeside inn, offering rest and sustenance to weary travellers. Bee's Nan has gone missing, possibly drowned, but Bee knows that can't be true. And so does the hungry fox that her grandmother was feeding. Shadow is cross that her supply of salmon has dried up and is determined to do something about it. Soon both fox and child are on an adventure to find Nan, uncover what's happening to all the secret islands on the Great Lake and learn just how far magical powers can take you...