How are problems solved in a socialist country? The film centres on an old gasworks in the middle of a workers' district in Berlin, capital of the GDR. For 100 years it was polluting the environment - now it is closed. What has happened to the former workers? Have they been made redundant? Will the site of the old works be taken over by a new one, or will a park be laid out there for the local inhabitants?
Report on the forming of the new residential area Thälmannpark, beginning with the still working gasworks, up to inauguration of the monument of Thälmann.
The film is an appeal by the International Democratic Women's Federation against a new war, calling on all mothers of the world to protect their children.
