Betrayed(2020) -

"Absolutely depressing, and without a point, at every level. ...[the] story... could have been told in a 20-minute documentary".

The film is recognized as a significant contribution to Norwegian war cinema and a vital, albeit uncomfortable, look at a dark chapter in Scandinavian history. If you're looking for more info, I can: Betrayed(2020)

Tell you which it is currently available on. Suggest similar WWII films based on this one's style. "Absolutely depressing, and without a point, at every level