Closed School

Yu Ra (Chun Yi Seul) experiences haunting nightmares about her former classmate Mi Ok (Lee Yoon Soo) committing suicide. During a high school reunion, she confronts her friends about Mi Ok, but they suspiciously claim no memory of her. After a car accident, Yu Ra and her friends wake up trapped in a building resembling their old school, now filled with vengeful spirits. As they struggle to understand their situation, the ghostly environment becomes increasingly threatening, forcing them to confront a dark past they've tried to forget. The supernatural setting reveals hidden secrets and unresolved trauma from their high school years. Will they uncover the truth about Mi Ok and escape the malevolent spirits seeking revenge? "Closed School" is a 2019 South Korean horror movie directed by Choi Hyo Won.