- Original release
- Previous episode S01E03 - Locked In
- Number S01E04
- Country South Korea
- Original language Korean
- Genres Action, Fantasy, Horror, Romance, Thriller
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External links
TheTVDB page
IMDB page
TheMovieDB page -
Last update
25 August 2025 - 00:13
on 11 databases
The Spread
The apartment complex gets walled up and quarantined due to Min-ji's mad person disease triggered by the Next drug. Whether they like it or not, the people living in the apartments have to stay within the walls together for a week. Sae-bom and Yi-hyun isolate the suspect Ju-hyung and provide shelter for outsiders. Meanwhile, during the joint investigation, Yi-hyun and Tae-seok discover the dealer of Next lives in Building 101.
Next episode
S01E05 - The Outsiders
