The Pier on the Other Side(1971)

Aleksey Klimov, years after the war, cannot forget the girl Marusya, whom he met at the front as a young lieutenant. But then the war separated them. Many years later, having found Marusya, he comes to visit her. They realize that they still love each other. But they have families, and their happiness now can take place only at the cost of the misfortune of loved ones.