Sólyom a sasfészekben (1974)

During the Cold War, Lieutenant Pál Dóczy, posing as a refugee, escapes across the western border to join an armed resistance group whose goal is to overthrow the Hungarian regime. Due to his military past, he is given more and more tasks. in which he performs well, and his superiors like him. None of them knows that he is actually an agent of the Hungarian counter-espionage service, whose goal is to eliminate foreign resistance.