Overview
Aspiring YouTuber Gi-ho stages a fake seance for viral content, but Ja-young joins, seeking her missing sister Seo-woo. In an underground cistern, Seo-woo volunteers as the "possessed," but when she collapses, terror unfolds. Trapped with sinister forces, the students face a deadly fate, leading to a shocking twist.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 26 | 26 | |
 | 27 | 27 | |
 | 22 | 22 | |
 | 27 | 27 | |
 | 25 | 25 | |
 | 23 | 23 |