Lee Myung
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…
Phil-sung is a lazy countryside detective. He is suspended from office due to his mistakes during examination process. Ki-tae is a legendary prison breaker and continues his merciless killing rampage. Phil-sung accidentally runs into Ki-tae but he is much too slow to catch the killer. He’s fired due to this error and now he makes it his personal mission to bring in Ki-tae at all costs.
While training after hours in her high-school, the aspirant singer Park Young-Eon is mysteriously killed and her body vanishes. Her ghost is invisible and trapped in the school, but her best friend Kang Sun-min, who broadcast in the lunchtime in school, is able to hear her voice. After the suicide of their music teacher, Sun-min, aided by her mate Cho-Ah, finds that another student, Hyo-Jung, died in the same elevator trunk some time ago. Meanwhile Young-Eon recalls details of her life, disclosing why she died.
Chun-hee (Shim Eun-ha) shoots wedding videos for a living, and secretly loves In-kong (Ahn Sung-ki), an assistant to a senator. He barely looks at her, but anytime she's in the proximity of the man, it's a nightmare. She can hardly speak and her awkward mannerisms are completely exposed. She knows it's an impossible love story, but keeps believing that one day he'll talk to her. Enter Chul-soo (Lee Sung-jae), a soldier on leave who is looking for his girlfriend Da-hye (Song Sun-mi). The only problem is, Chun-hee is now living in her old apartment, and Da-hye already made plans to get married with someone else. Chul-soo's world is shattered, but he at least develops a friendship with Chun-hee.
