On a seemingly ordinary evening, an old homeless man wanders around Seoul Station with a bloody injury on his neck. Despite his friend's efforts to provide aid, the man never receives proper medical attention and dies. When the friend tries to report the body, however, the corpse has mysteriously disappeared. Soon, all hell breaks loose as the old man turns out to be the first victim of a tumultuous zombie outbreak. As the chaos grows in the vicinity of Seoul Station, different survivors from various backgrounds must now fight for their lives. [Written by MAL Rewrite]