Düşman (1973)

The film tells the story of Murat and Helga, Turkish agents fighting against German spies during World War II. Helga's father, Alex, is a German spy who hates Turkey. Helga, who was born and raised in Turkey, does not share her father's views. After Alex's death, Murat, acting on orders from Turkish intelligence, is tasked with enlisting Helga to uncover the Germans' plans regarding Turkey. Helga is to marry Hans, who has taken Alex's place, thereby enabling her to learn the Germans' plans. The love between Helga and Murat will complicate this mission.