Kim Gyu-min

Yong-soo is an ex-soccer player who lives in a small coal-mine village in North Korea with his wife and young son, Joon. Although living in extreme poverty like many other families in North Korea, the family is happy just to be with each other. Then one day, Yong-soo's pregnant wife becomes critically ill. Let alone medicine, Yong-soo can't even find food for her in North Korea. So he decides to secretly cross the border to China hoping to find the medicine for his wife.

After learning that his grandfather is alive and living in Seoul, a North Korean musician must leave his fiancee behind and accompany his family to South Korea.

Head of the household, 11 year-old Jin-ho lives with his sick mother who gathers and sells fire wood. The one thing Jin-ho is most scared about is his mother dying and being left alone in this world. One day he has an argument with her about his friend and goes to the mountains alone to gather wood. However, he has an accident and loses his way. His mother looks for him everywhere but can't find him. Jin-ho wanders around cold and hunger for several days and manages to come down from the mountains safely. He thought of his loving mother who would be waiting for him at home. But Jin-ho didn't know that everything that happened was just the beginning of unhappiness.