Medialuna, the little princess, has been bewitched by the powerful witch Gualichu and cannot sleep at night. While everyone else in her kingdom sleeps, Medialuna travels into a world of witches, princesses, monsters and fantastic creatures from legends and myths. She shares with them great deeds and reveals tangled mysteries until dawn. In this episode, Medialuna receives a letter from the prince frog saying he is waiting for her in the creek to try to undo the spell. They try some crazy spells they found in a magic book.