Asoundtrackwas released along with the film's premiere on July 26, 2007.
After the unusual attack on a school flower boy (heartthrob / pretty boys) onFebruary 14, the same attacks began to happen at different high schools on every month of the same day. Rumors say that the next victims will be at Neulparan High School. The studious studentKibumdecides to investigate the matter, blogging all of the terror events on the 14th of each month, causing the event to become a hot topic within the student body. After several attacks, Kibum predicts that the next victims will beSiwon, president of the student body;Heechul, president of the dance club; andKangin, the captain of the Judo Team.