František Blahoňovský

The fisherman Fuksa fishes in the creek an old bottle and he sells it to innkeeper Merta. When Merta opens it, a genie appears, who can fulfill all his wishes.

Bláža is a bland-looking student who is eager for her first love experience. Even though experienced men are interested in her, she doesn't yet know exactly what her chosen one should look like. The question is, however, whether a shy non-junkie who at most casts coy amorous glances has a chance of success...

Children's detective stories were very successful in the 1960s, and the stories of Martin the criminal even had several sequels. In this film, Martin investigates a mysterious ancient crime in a castle where today the guide mentions this fact only as a curiosity. He is led to this by a broken display case on which he finds a child's handprints. And in a seemingly mundane red slide, easily mistaken for a rare diamond, he finds an important clue...