Farewell to the Duman River (1962)

Farewell to the Duman River (두만강아 잘 있거라 Dumanganga jal itgeola) is a 1962 South Korean film. Celebrated director Im Kwon-taek's first film, it became a huge hit, establishing his reputation as a director and ensuring him a career in the film industry for the next decade.

More at Wikipedia.