Overview

Eun-hee is hired as a vice principal at her old high school, where strange things take place in the closed down washroom. High school student Ha-young and So-yeon, who used the washroom as their hideout hear humming in the empty washroom, and believe that a ghost exists inside. Ha-young discovers a flowerpot on the stairs and suspect that Eun-hee is somehow linked to the mystery. Suffering from hallucination upon her inauguration, Eun-hee finds a ghastly figured girl in the washroom mirror and begins to believe that the girl was the one who brought her back to this school…

Countries
South Korea

Actors
Kwon Hae-hyo, Park Se-hyun, Kim Seo-hyung, Kim Hyun-soo, Choi Ri, BIBI, Seo Hye-won, Lee Ji-won

Crew
Park Gok-ji, Cho Sung-woo, Lee Choon-yun, Sung Seung-taek, Jeon Gyeong-ran, Lee Mi-young, Lee Yoon-hee, Koh Jae-young