Lee Mi-yeon, Kim Gyu-ri, Choi Kang-hee, Park Jin-hee, Yoon Ji-hye, Kim Min-jung, Lee Yong-nyeo, Kim Yu-seok, Yoo Yeon-soo, Kim Roi-ha, Shin Yi, Kim Yoon-Jung, Choi Seon-mi, Park Yong-su
The ghost of a student who died at a Korean school comes back to seek vengeance and protect her friends.