Little Rehor isn't allowed to play with the other boys. His only friend is the girl next door, Luci. Rehor's father is doctor on a boat and he has sent Rehor a package with butterfly larvae. When they hatch he discover a fairy who can do magic tricks.
The year is 1946 and the story takes us to a great bar among the characters of Prague's gallery. A professional conman, commonly known as "The Engineer", makes a bet with pickpocket Franz that he will sell Karlštejn Castle to a rich American who is currently in Prague...
