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.
演员: 金艺琳
/ 李赞炯
/ Suh Dong-hyun
/ 吴素贤
/ Kim Eun-bi
/ Park Seo-yeon
