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, Ferucho forgets his name, and Princess Medialuna helps him remember it. She is also hoping to save Chacabuco from being eaten by Ferucho. Can Ferucho keep his promise?