Jae-yoon, a late military enlistee, and his girlfriend, Young-joo, break up over the phone over growing misunderstandings. But a zombie outbreak rocks the world. A national emergency is declared, a plane crashes in the city center, and Jae-yoon and his unit get trapped on top of a Seoul skyscraper. Young-joo risks the zombie-filled streets to find him. Can their love survive the apocalypse?
After completing his required decade of military service and being honored as a hero, a North Korean sergeant makes a sudden shocking attempt to defect to the South, risking life and limb for the chance to finally determine his own destiny.