- Original release
- Number S01E01
- Country South Korea
- Original language Korean
- Genres Action, Fantasy, Mystery, Science-Fiction, Suspense, Thriller
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External links
TheTVDB page
IMDB page
TheMovieDB page -
Last update
28 septembre 2025 - 14:15
on 11 databases
The Sinkhole
After losing her husband to serial killer Lee Soo Yeon, police detective Lee Hwa Sun makes her way to Muji city in order to bring the murderer in. But unlike what she is hoping to find, she runs into an enormous sinkhole in the middle of the mountains. Black smoke arises from this mysterious sinkhole and the people of Muji are left clueless about what it is.
Next episode
S01E02 - The Breakout
