校园惊悚电影《蓝色项圈》,耗时3年筹备,改编自畅销同名短篇小说,故事以每个人都曾经历过的升学压力为雏型发展,写实的手法加上诡异的剧情安排,贴近学生生活又引人好奇,在2003年小说出刊时,引起高度的话题讨论与回响。 每个学校都有一个传说,欢迎光临爱达生中学... 向来教学形象完美、声名远播的「爱迪生中学」,流传著一个神祕的校园传说:「听说成绩不好的同学,只要进入420号房后还能活著出来,从此成绩将会突飞猛进…」。刚转学来到这里的天才学生叶群,对这样的传说感到嗤之以鼻,更对校内充满压力的气氛和扭曲的体制感到不可思议,单纯的他想要改变现状,却不知道一场诡异的风暴已直冲他而来!Yeh, a gifted student, transfers to Edison Junior High, a private school renowned for its academic performance. Disturbed by the gloomy atmosphere and distorted institutions, the rebellious Yeh begins to challenge everything he sees and feels. Little does he know that he is slowly falling into the treacherous trap of the mysterious "Dorm 420".