Original title (NO): Quislings siste dager (Quisling’s Last Days)

After five years, the German occupation of Norway ends on 8 May 1945. The rebuilding of the nation can begin, but first the final chapter must be written. In a dark cell at Akershus Fortress sits the man who committed the greatest treason of all: Vidkun Quisling. Now he must be held accountable for his actions and the atrocities that Nazi ideology led to.

https://www.themoviedb.org/movie/1028819-quislings-siste-dager