El Doctor(1939)

Dr. Hamed decides to marry Ehsan. Ehsan travels with her parents to Hamed's town. Her mother is fed up with Hamed's family and opposes Ehsan's marriage to Hamed because they are below their level. Ehsan decides to run away and marry him, but he refuses. Dr. Hamed settles in his town. His sick mother needs a blood transfusion and her blood type matches Ehsan's. She is saved.