After being appointed as the vice-principal of her alma mater, Eun-hee becomes plagued by hallucinations. Branded a troublemaker by the teachers, Ha-young hears strange sounds coming from the school's dilapidated restroom.

"Back at her old school."

Credits

Lee Mi-youngDirector

Kim Seo-hyungEun-hee

Kim Hyeon-sooHa-young

Choi RiSo-yeon

BIBIYoung Eun-hee