The story revolves around Jung Seok (Kang Dong-won), a former soldier who fled South Korea after the zombie apocalypse. He lives in exile in Hong Kong with his niece. However, the opportunity to return to his homeland and search for his deceased wife arises when Jung Seok is asked to join a dangerous mission: return to the peninsula to retrieve a truck full of money.

In order to find his wife and have more money for this journey, he and a group of mercenaries equipped with sophisticated weapons returned to the Korean peninsula, which has now become a dead land filled with zombies. Jung Seok and his mercenary group’s journey is full of challenges. They have to fight against the ferocious zombies, face ruthless groups of survivors and overcome dangerous traps lurking everywhere.