Four lifelong friends—Tae-jeong, Do-jin, Yeon-min, and Geum-bok—dreamed of an epic trip abroad, but life got in the way. Years later, older but not necessarily wiser, they finally embark on their…

A soldier faces a zombie outbreak during military service. His girlfriend, an engineer, navigates zombie-ridden Seoul. Both fight through the undead-infested city, striving to reunite amid the chaos.