Zarah Leander was one of the greatest film stars of the Third Reich. Adored by the Nazis, she rose to become the highest-paid female film star of National Socialism. To this day, she remains inextricably linked to our collective memory, reviled as a "Nazi siren" but also loved unconditionally. At the same time, there are files in Sweden that claim she was a Russian spy. Extremely contradictory rum...