Set in the late 15th century during the reign of King Yeonsan, two male street clowns and tightrope walkers, Jangsaeng (Gam Wu-seong) and Gong-gil (Lee Joon-gi), are part of an entertainer troupe. Their manager prostitutes the beautiful Gong-gil to rich customers, and Jangsaeng is sickened by this practice. After Gong-gil kills the manager in defense of Jangsaeng, the pair flee to Seoul, where they form a new group with three other street performers...

16-year-old Jang Ji-Gu (Seo Young-Joo) takes care of his ill grandfather, while he hangs out with other troubled kids. He was abandoned by his parents at an early age. After another run in with the law, Jang Ji-Gu is sent to a detention center. One day, Jang Ji-Gu hears that his mother Hyo-Seung (Lee Jung-Hyun) has come for him at the detention center. Hyo-Seung had Jang Ji-Gu at the age of 17 and gave him up soon after birth. Can they repair their relationship? Written by luraz isketambola

Sok-woo, a father with not much time for his daughter, Soo-ahn, are boarding the KTX, a fast train that shall bring them from Seoul to Busan. But during their journey, the apocalypse begins, and most of the earth's population become flesh craving zombies. While the KTX is shooting towards Busan, the passenger's fight for their families and lives against the zombies - and each other. Written by Anonymus