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.
as Eun-hee
as Ha-young
as So-yeon
as Young Eun-hee
as Mi-sook
as Jae-yeon
as Ye-ji
as Park Yeon-mook
as Bae Kwang-mo
as Grandmother
as Classmate
as Kim Jung-yeon
