While investigating the faculty files, the frightened teacher Mrs. Park startles and calls for the youthful educator Eun-young Hur, telling her which the deceased Jin-ju Jang is rear. The lineup expires and Mrs. Park is assaulted and murdered by a ghost. On the next morning, the teenager Jae-yi Yoon begs for her friend Ji-oh Lim, with the capacity and they commence a friendship that is close. The abusive and aggressive Mr. Oh, a.k.a. mad-dog, could be your replacement of Mrs. Park and adopts Ji-oh to paint also contrasts the performances of the pretty So-young Park and also the weird Jung-sook Kim, increasing a barrier between your two former associates. Miss Hur misses her former friend Jin-ju, who committed suicide, also while wanting to contact , she discloses a dark secret about the last of her buddy and Mrs. Park.