Korea is a divided nation. The psychic scar shared by millions of people separated from their families during the Korean War in the 1950s is symbolized by the Demilitarized Zone (DMZ) that divides communist North from capitalist South. Here, along this infamous border, award-winning filmmaker Min Sook Lee sets out on a revelatory, emotion-charged journey into Korea's broken heart, exploring the rhetoric and realism of reunification through the extraordinary stories of ordinary people.