"Back at her old school."
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.
Eun-hee
Ha-young
So-yeon
Young Eun-hee
Mi-sook
Jae-yeon
Ye-ji
Park Yeon-mook
Bae Kwang-mo
Grandmother
Classmate
Special Effects Supervisor
Costume Design
Art Direction
Still Photographer
Executive Producer
Sound Supervisor
Lighting Director
Makeup & Hair
Set Decoration
Martial Arts Choreographer
Stunts
Production Sound Mixer
Stunts
Boom Operator
VFX Supervisor
Writer
Director
Editor
Director of Photography
Editor
Art Direction
Original Music Composer
Production Design
Producer
Colorist