Doktor Kalyuzhnyy(1939)

Original title: Доктор Калюжный

After graduating from college, a young doctor leaves his beloved girlfriend behind in the city and returns to his native village, where he energetically sets to work. The hospital is in complete disrepair. But the hero does not despair and even makes a scientific discovery that helps restore the sight of his old teacher and his former fiancée's sister.