A man witnesses a fatal traffic accident on his way home from work, and the victim is clearly killed on impact. A moment later, when the corpse stands up and walks away, it could be a hallucination or something far more extraordinary.
Missing and death cases take place in succession along the Korean Demilitarized Zone. South Korea forms a unit led by Captain Jo Jin-Ho and First Lieutenant Shin Yoo-Hwa as assistant leader. They are given only 24 hours to find out the truth behind the incidents. Team members find evidence, but they feel like something isn't right.
