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, Chaca wants to reverse Medialuna's spell with a new one. He goes to the jungle in search of the things he needs to create the new spells. But Chacabuco spells goes wrong.