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, Princess Medialuna and her friends, Chacabuco and Petunia venture into the dark night of the jungle to solve a riddle. But they get lost from each other. They must return to the palace before dawn without being captured by Gualichu and Dragon Ferucho.