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.
Kim Seo-hyung
Eun-hee
Kim Hyeon-soo
Ha-young
Choi Ri
So-yeon
BIBI
Young Eun-hee
Seo Hye-won
Mi-sook
Park Se-hyun
Jae-yeon
Lee Ji-won
Ye-ji
Jang Won-hyung
Park Yeon-mook
