When Clementine decides that she is going to be a princess for the whole day, it falls to her little brother, Mungo, to satisfy her every demand. From sandwiches with their crusts cut off, to a special circus performance featuring all their best toys, Mungo never flags at any hurdle. When it becomes clear that the only thing missing from this princess-tinted reality is a prince, Mungo knows just where to find one. After all, he has read lots of fairy tales!