The fairy tale tells the story of a royal couple who cannot have children. With the help of a magical prop, they finally succeed, but in double measure. They give birth to twins. Which prop is responsible for this? Well, take a guess, or better yet, take another look at the title of the fairy tale. When the boys grow up and one of them is supposed to take over the joys and responsibilities of ruling, an unsolvable problem arises: should it be Vojta or František? We won't reveal the plot with all...