| Genres: | Sci-Fi, Action, Horror |
|---|
A black smoke comes out from a sinkhole and covers up a city called Muji. The city turns into a disaster, and people who breathe that dark smoke becomes dangerous monsters.
Lee Hwa-sun, a detective who came from Seoul, starts to investigate this weird phenomenon and fights against the monsters with a wreck car driver Yoo Tae-han, who used to be an ex-detective in Muji.
