Luis Trenker – The narrow ridge of truth is a German-Austrian television film by the director Wolfgang Murnberger in front of two different historical backgrounds: the career start and rise of two well-known filmmakers in the 1920/30s and the search for "new roles" in the post-war period. The script by Peter Probst is based on Luis Trenker's participation in the distribution of the fake diaries of Eva Braun. In the film he writes them himself on his writing machine. After the premiere on 2 July 2015 at the Filmfest München, the film was released on 18 July 2015. It premiered in the ARD and ORF in November 2015.