The film develops 5 questions about documentary film against the background of the media-political situation of the early 1970s in West Germany. The following topics are developed: (1) the personal approach of filmmaker Klaus Wildenhahn to his profession; (2) the technical and technical approach of cameraman Rudolf Körösi; (3) the development of documentary film based on John Grierson's British School of Documentary Film; (4) the working conditions and political framework for the production of documentary films at WDR and NDR; (5) the constitutive characteristics of socially relevant documentary film.