The time is 1945-46. 10 year old Eda and his friend Tonda live in a small village outside Prague. In school, their class is so wild and indisciplined that their teacher quits and is replaced by the militant Igor Hnidzo. He is very strict – but also very fair. His weakness though, is his interest in young women.
A group of teenagers are trying to solve a mystery of a puzzle created and left to them by the dead boy.
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.
