Valkyrie is set in Nazi Germany.
Operation Valkyrie . German Army ( Heer ) officers General Friedrich Olbricht , Major General Henning von Tresckow , and Colonel Claus von Stauffenberg modified the plan with the intention of using it to take control of German cities , disarm the SS , and arrest the Nazi leadership once Hitler had been assassinated in the 20 July plot . Valkyrie is a 2008 American-German historical thriller film set in Nazi Germany during World War II . The film depicts the 20 July plot in 1944 by German army officers to assassinate Adolf Hitler and to use the Operation Valkyrie national emergency plan to take control of the country .