A fairy tale about three princes, enchanted into dog form... The shepherd Jirka is herding sheep when a mysterious hunter with three dogs named Drž, Dech and Vševím passes by. The hunter treats the dogs badly. And because Jirka has a good heart, he exchanges the dogs for three sheep that belong to the farmer. He says goodbye to his girlfriend Anička and goes into the world, arriving in a sad kingdom. There he meets Bětuška, who takes him to the king, whose three sons and daughter have been lost...