He turned against an empire to save the world.

Operation Valkyrie (2004)

In 1944, a group of high command officers plot an attempt against Hitler, and one of the leaders of the conspiracy, Stauffenberg, goes to a meeting with the Fuhrer in charge of exploding the place. However, Hitler survives and the officers are executed. This unsuccessful operation was called "Valkyrie Operation", and this realistic movie discloses this true event.