Following a hunch, Tae Seok finds out who the masked serial killer is. As soon as he spots the killer who has shown up again at the scene, Tae Seok starts to go after him. They end up in dark butcher storage, and Tae Seok suddenly gets attacked and collapses. In the meantime, the police call in a survivor from the previous case of the masked killer and ask her if she remembers anything.
불바다가 되어버린 터널에서 혼자만 살아남은 태석.
그러나, 자신이 장형민이라고 주장하는 가면 살인마가 나타나는데..!
