Punchy, old-school stunt work, inventive baddie-splattering and a simple plot as our grizzled Finish prospector finds a new foe in his Soviet-occupied homeland Punchy, old-school stunt work, inventive baddie-splattering and a simple plot as our grizzled Finish prospector finds a new foe in his Soviet-occupied homeland I n 2022, the Finnish indie action movie Sisu had the look of a one-hit wonder. Pitting a grizzled prospector against an entire platoon of Nazis, writer-director Jalmari Helander