Who Knows the Pain(1979)

Original title: 누가 이 아픔을

Seong Ji-yeon, a female officer of the North Korean army, is discovered by southern forces on a snow covered mountain. She suffers from severe frostbite so she is taken to a military hospital. There she falls in love with a doctor, Captain Lee. However, when he is sent to the front, she is sent to try to survive the hardships of a POW camp.