Gurus in the late Goryeo dynasty try to obtain a fabled, holy sword, and humans in 2022 hunt down an alien prisoner that is locked in a human’s body. The…

Amid a coup, a North Korean agent escapes south with the country’s injured leader in an attempt to keep him alive and prevent a Korean war.

Martial law is declared when a mysterious viral outbreak pushes Korea into a state of emergency. Those on an express train to Busan, a city that has successfully fended off…