Max is eating too many cupcakes, and his big sister Ruby decides to cure him of his sweet tooth. Ruby reads Max a Greek myth about young Prince Midas who uses magic to turn healthy food into ice cream sundaes, Popsicles, and birthday cake. But when Midas accidentally changes his family into delicious desserts, he realizes that there can be too much of a good thing. Will Max learn a lesson from Midas and resist eating one more cupcake?