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, Gualichu uses her crystal ball to spy on the king and the queen. They are dancing and Gualichu becomes intrigued. She doesn't know how to dance, and she wants to learn for the Annual Witches Dance. No matter what it takes.