When South Korean government agents ask him to smuggle in In-oak (Kim Kyu-ree), the lover of a high-ranking North Korean defector, into the South, the damsel and rescuer fall in love instead.Poongsan, whose real name is never revealed, is a mysterious man who delivers whatever brings him money by going back and forth between Pyongyang and Seoul. One day, the delivery man is ordered to bring In-oak. She joins the deliveryman on the life threatening journey. In the middle of this trip, In-oak and the man start to fall in love, but their romance is put in jeopardy by the obstacles they encounter.