Every king's son is a little king. This is the story of a boy who will one day be king. Like all children, he likes to play, he has many toys but few friends. There's Foguinho, son of the dragon, there's Magali, daughter of the magician, and there's Eugênio, son of the kingdom's scientist. The three make him cat, shoe, worm and slipper. If they don't destroy the toys, they borrow them and never return them. And do you know why? Because the little king only knows how to say yes . And that's why he's such a sad little king.
Until one day, with great difficulty, he learns to say no too . But then he starts saying no to everyone and scares his friends away.
But it is exactly between yes and no , and with the help of a friend, that the little king discovers that between yes and no there are other words .