The king of a small kingdom intends to pass the throne to his firstborn, but foolish prince Fintín. However, his subjects adore the cute and clever princess Pusinka. Unfortunately, the evil elf Pižlík also has his eye on her, and his power grows in proportion to the foolishness at the royal court. He is looking forward to marrying her, turning all his subjects into tiny people, and becoming their tiny ruler. The wizard Fuk and his apprentice Kuklík can no longer stand by and watch, and decide to help the kingdom. At that time, the pear of wisdom ripens in the royal garden, the only one in a hundred years. What will Fuk's confusion cause when he gives the magic pear to the poor young man Drátařík instead of the prince?