The film features the six children of the Telerin family, characters created by the brothers José Luis Moro and Santiago Moro. The Wizard gives each child a dream; the six dreams are presented in different graphical styles.
The story of Little Peter and his sister Anneli, who help a May beetle named Mr. Zoomzeman (German: Herr Summsemann) to retrieve his missing sixth leg from the Moon. After a fantastic and dangerous overnight adventure they recover the leg and are returned to their beds at home.
