My Best Enemy (German: Mein bester Feind) is a 2011 Austrian / Luxembourgian comedy film directed by Wolfgang Murnberger.

[1] Vienna, shortly after Austria's annexation to the German Reich: Victor Kaufmann and Rudi Smekal have been friends since their earliest childhood.

Victor and his parents Hannah and Jakob Kaufmann were unable to flee Austria in time and are therefore deported to the Mauthausen concentration camp.

Now he wears an SS uniform and Rudi the shabby prisoner's garb with a Jewish star.

Victor eventually survives the war and returns to Vienna with his mother and his lover Lena.

Almost at the same time, an expert finds out that the painting to be auctioned is not the original, and the media pounce on Rudi.