However, Hitler survives and the officers are executed. This unsuccessful operation was called "Valkyrie Operation", and this realistic movie discloses this true event.

The most well-known was the one which took place on July 20, 1944 and was part of a plot called "Operation Valkyrie ... the German film star who had left Germany for Hollywood before the Nazis ...

To do so, he arranges for the internal emergency measure, Operation: Valkyrie, to be changed to enable his fellows to seize control of Berlin after the assassination of Der Führer. However ...