It is 1905. The police director gets Jindrich Legenda (Eduard Cupák) shadowed as, yet Legenda had served his sentence for a burglary, the jewels have not been found. Russian revolution encouraged also Czech workers to fight for their rights. Radical anarchists are followed by Legenda's friend Karel Wohryzek (Vladimír Mensík) who was forced to collaborate with the police as he was convicted of pornography distribution.

Young prisoner Jan, nicknamed Roughboy (Petr Cepek), tries to commit suicide. He was imprisoned for a fight in which he injured a functionary of the National Committee and for stealing material but actually by the blame for this crime was pinned on him by the road-builders in whose group he worked. The prison doctor knows that Jan is an emotionally deprived person who never knew his parents and spent all his childhood - except one year with foster-parents - in orphanages, homes for youth and reform schools. He arranges a five-day holiday for Jan, who wants to find his mother's grave.

Woodcutter Ondra, who for his bold nature is called Nebojsa. He goes into the world to learn fear. During his journey, on which he is accompanied by a cowardly thief Ferka, he can deal with a bunch of bandits, vicious mill, fiery rock and eventually he must confront the evil wizard who swore a beautiful princess. Will Ondra do all his courage and ingenuity to liberate Princess?