In the story, a female reporter Nim Wales meets Kim San in Yanan City in China and listens to Kim San about his thoughts of revolution and freedom of his home country Korea. The Japanese rule at that time was so strict and violent to the people who wanted independence of Korea from Japan, so many Koreans, like Kim, were forced to leave their own country. When Kim met Nim Wales in Yanan, as the kind of Independence movement, he joined revolution in China, against to Japan's aggressive war.