The film centers around Shuya Nanahara (Tatsuya Fujiwara), a charismatic young boy living in Kanagawa Prefecture. After his mother abandons him and his father commits suicide, he becomes disillusioned with life. The rest of his classmates are similarly disillusioned, and have little respect for authority. Shuya's best friend, Yoshitoki "Nobu" Kuninobu (Yukihiro Kotani), attacks their teacher Kitano (Takeshi Kitano), but runs away before he can be identified. Noriko Nakagawa (Aki Maeda), a sweet, reserved young girl who happens to witness the incident, hides the knife that Nobu has just attacked Kitano with. Kitano, frustrated, resigns.

Please be aware that this movie is rated R and may contain material not appropriate for all ages.

The legend goes that if you climb the twenty eight steps leading up to the school dormitory, counting each step aloud, and find a twenty ninth, a spirit will appear and grant you a wish.

The movie takes place in a girl's art school and focuses on two friends studying ballet, however their friendship soon turns sour when they find themselves competing for a single spot in a Russian ballet school. Yun Jin-seong played by Sung Ji Hyo, remembering the old legend of the "Wishing Stairs" wishes for a place in the prestigious arts school, and in a shocking turn of events, she gets it, at the cost of her best friend, Kim So-hee's life. However, it's only when the extremely odd character of Eom Hye-ju wishes the dead girl back, that an unspeakable evil is released.

The film itself seems to mirror the ballet "Giselle", which girls in the film are studying, as well as drawing upon the classic short story "The Monkey's Paw". So-hie as Giselle, and Jin-sung as Albrecht. Unhappy with always having to play the "prince" to So-hee's princess, Jin-sung betrays So-hee, which in turn leads to So-hee being crippled and commits suicide after her friend Jin-sung confesses she has hated her all along. When So-hee's spirit is wished back, Jin-sung is haunted by So-hee's ghost, the love she once felt for her friend warped by Jin-sung's hurtful actions.

As in the prior two movies, this film has strong indications of friendship, betrayal, and the taboo of lesbian affairs in an all-girls school.

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While investigating the school files, the frightened teacher Mrs. Park startles and calls the young teacher Eun-young Hur, telling her that the deceased Jin-ju Jang is back. The line dies and Mrs. Park is attacked and killed by a ghost. On the next morning, the teenager Jae-yi Yoon waits for her friend Ji-oh Lim, who has the ability to call the spirits, and they begin a close friendship. The abusive and aggressive Mr. Oh, a.k.a. Mad Dog, is the substitute of Mrs. Park and prohibits Ji-oh to paint and compares the performances of the pretty So-young Park and the weird Jung-sook Kim, raising a barrier between the two former friends. Miss Hur misses her former friend Jin-ju, who committed suicide, and while trying to contact her, she discloses a dark secret about the past of her friend and Mrs. Park.

Please be aware this movie is rated R and may contain material not appropriate for all ages.