Chelovek v shtatskom (1973)

1930s. A Soviet intelligence agent arrives in Berlin under the name of the Hungarian Count Pirelia de Kirelgaze. His task is to make contact with a group of military and diplomats opposed to the Nazi regime. Having accidentally met a Gestapo employee Doris Schörer, who dreams of a noble husband, he uses her location to transmit information about Germany's military potential and its preparation for war to his homeland.