金善浩(车胜元 饰)出生在1975年,出生的当天正好是朝鲜劳动建党日,他是一名演奏者。故乡在平壤的他突然一天收到了爷爷从南朝鲜寄来的秘密信函,叫他不得不离开北朝鲜。他与爱人燕华(赵依珍 饰)分离了,想让燕华也能生活在自己的身边,他开始努力打工赚钱给燕华逃出北朝鲜。 日子一天天的消磨让他明白他与爱人见面的机会十分渺茫了,就在此时女孩京珠(沈惠珍 饰)的出现让他的心灵得到了依偎。很快善浩便与之结婚了,生活稳定幸福。但善浩万万没想到,昔日爱人燕华正冒着生命危险,孤身一人来到了南朝鲜,就为找到善浩。Kim Sun-ho is a horn player in an orchestra in North Korea. As he belongs to a comparatively high class in his country, Sun-ho enjoys his life and has plans to marry his girlfriend Yon-hwa. One day, Sun-ho's family receives a letter from his grandfather in Seoul, whom they had thought was dead. They begin to exchange letters, but this puts their family in great danger so they decide to defect to the South. Sun-ho is devastated because he can't take Yon-hwa with him but he promises to take her to Seoul as soon as possible after arriving in the South. In Seoul, he tries to save money to help her escape from the North. But one day, Sun-ho hears that Yon-hwa has married another man. He becomes hopeless but later tries to find a way to adapt himself to life in the South.