Sisu is a 2022 action thriller film written and directed by Jalmari Helander. Set in Finnish Lapland during World War II, the film follows a former legendary Finnish Commando and gold prospector who attempts to secure his gold and defend himself from a German death squad led by a brutal SS officer. The film stars Jorma Tommila, Aksel Hennie, Jack Doolan and Mimosa Willamo.