Young blacksmith Mikeš sets out into the world for an adventure, accompanied by the miller's assistant Matěj and the boy Ondra. On their journey to rescue three enchanted princesses, the young men encounter a mischievous old hag, magic, and traps set by the Black King, but most importantly, they face their own temptations.
During a summer holiday, two boys discover an anti-gravity cannon in an old attic.
There are two different boys in the zoo. Ivoš is a small wrestler who wanders himself in the barracks when a blind boy throws it and squeezes it with lemonade. Out of a primordial friendship will spring up. Both of them love animals, and Ivoš decides to involve Sleppo, as he tells him, into the common child's world. It sneezes it to the animals and allows him to touch the turtles, elephants or camel - the animals he knew at the time only by the sounds.
