Alex is an 11-year old boy who, during WWII, hides in the Jewish ghetto from Nazis after all his relatives have been sent to the concentration camp. The movie portrays the ghetto through his eyes.
When a political decision is made as to the location of a new large chemical factory, Stefan Bednarz is put in charge of it. This honest communist party man has to confront the local community opposing the construction.
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.
