What supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired seWhat supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired seWhat supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired seWhat supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired seWhat supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired seWhat supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired seWhat supernatural force links the apparent suicide of a teacher at a South Korean girls' school to a death there years earlier, and what will happen to some students who try to uncover the truth? Eerie and fascinating horror/thriller that inspired se