A group of saboteurs search for a weapons cache hidden by the Nazi army. Beskydy in the summer of 1950: the StB agent Borek infiltrates a group of saboteurs hidden in the Beskydy mountains. They are preparing terrorist actions against the ongoing collectivisation in the village. The group is led by Ervín Kopal and Metud Hanák. Borek is to make contact with them, secure the saboteurs and discover a weapons depot. After many dramatic events, the task is accomplished, but at the highest cost...

The holiday story revolves around the children of editor Hlavsa and their desire to get a dog. Dad bravely faces his children's wish and all he cares about is the dreamed summer peace. However, the editor's unexpectedly requested regular feature stories from the children's lives change everything. The uproar in the pages of the newspaper and the children's determination not to give up on their dream leads to the hope that something four-legged might eventually turn up at the Hlavs' after all.

The series of children's films about Detective Martin, who intervenes in cases involving children, begins with this film. It consists of two short stories: in the first ("Three Bottles"), the young hero, escaping from an orphanage, gets involved in a robbery of postage stamps..., in the second ("Flying Carousel"), the children fight a dishonest owner of fairground rides...

Five years old Johnny is going for his first journey with no parents.

A children's adventure spy film from a time when the radio telephone was science fiction.