Flossie Crums is a bit messy, loves dressing up and sometimes finds her little brother very annoying. At the bottom of her garden is a big chestnut tree with a door in its trunk. Beyond the door is the magical kingdom of Romolonia and Flossie She loves to bake and to play with the fairies there. One day, Flossie is invited to make cupcakes for the Queen of Romolonia's big birthday celebrations. With so much baking to do, can she really make all the delicious fairy cakes in time? Will they be delicious enough to bring a smile to Queen Rosie's face or will this just be a royal recipe for disaster?