Olga Valentová, whose father was a communist resistance fighter and died during the occupation, works in the export department of Tatrovka. The young woman recapitulates her life and returns to her father's ideals.
The Pioneers are leaving for a holiday camp for young astronomers. And it's going to be an interesting stay, as a large meteorite was observed falling shortly beforehand, and it looks like debris fell into the area around the campground.