The Netflix original film, Narvik, tells a riveting but heartbreaking tale about the German occupation of Norway during World War II and the Battle of Narvik, but how much of Narvik really happened? Narvik follows Corporal Gunnar Tofte, his wife Ingrid Tofte, and their son Ole, in their desperate struggle to survive the German occupation and keep each other alive. Gunnar fights desperately against the Germans, including during the Battle of Narvik, and performs some incredible feats, causing some speculation as to how much of it really happened.
https://screenrant.com/narvik-true-story-real-ww2-battle-explained/