Wikimedia Commons/Sisu movie TV A WWII revenge epic. A lone miner vs. Nazis for his gold. Brutal, high-energy action. Discover Sisu, the Finnish film surging on Prime Video. April 5, 2026 AceShowbiz - Sisu is a gripping World War II revenge film that has surged in popularity on Prime Video four years after its initial release. Directed by Finnish filmmaker Jalmari Helander, the movie delivers a raw, high-energy portrayal of vengeance set against the backdrop of Nazi-occupied Finland during 1944.