Sun Ho, a horn player for the Mansudae Art Troupe, Pyongyang's state propaganda troupe, is a man who has everything: he's from a well-to-do family and has a beautiful fiance, Yeon Hwa. However, his world turns upside-down when authorities discover a letter from his grandfather in Seoul. His family has to flee North Korea and they take refuge in Seoul. Now with no money or friends, Sun Ho's only hope is to make enough money to bring Yeon Hwa from North Korea.