A poetic story about eleven years old girl who is mostly sitting at home on her wheelchair but with the help of a green balloon is able to find new friends.

Wise and gentle humor that characterizes actor Jan Werich, is typical for his written work. Judge for yourself how the story progresses and clever village girl Zdenicka that not only invent scooter, but for her wit and will eventually become queen.

"Why is my son stupid?" laments the poor Roma coal miner. His son Dilino is a nice boy, but he still causes his parents a lot of worry. He hasn't picked up much sense, so he's not much use to the coal family, and he's got all kinds of crazy ideas on top of that. For example, he began to force his unfortunate father to go and ask for the hand of the princess herself for him!