Pirx, an experienced pilot, is hired to go on a top-secret mission to evaluate some 'nonlinears' (an experimental model of android) for use as crewmembers on future space flights. Pirx and this intriguing crew are sent out to launch two satellites into the rings of Saturn, but he is determined to find out and identify a hostile unhuman coworker among them.
Set at the turn of the century, the story concerns a Polish poet living in Cracow who has decided to marry a peasant girl. The wedding is attended by a heterogenous group of people from all strata of Polish society, who dance, get drunk and lament Poland's 100-year-long division under Russia, Prussia, and Austria. The bridegroom, a painter friend, and a journalist each in turn is confronted with spectres of Polish past.
Little heroine, a music school student, wanders through the backstreets of Warsaw's Old Town and discovers a world to which others have no access. It is a world of extraordinariness and beauty of sounds. And these are sounds that are the most important thing for the girl – the hubbub of children, the sounds of the street, the puffing of a tractor, the tuning of an organ, the sweeping of a broom and the sound of jets flying overhead.
