- HD 1080
- Runtime: 104m.
- Status: Released
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- Languages: zh
- Country: Taiwan
- Director: David Chang Hsun-Wei
- Stars: Nikki Hsieh, Tien Niu, Alice Tsai-yi Huang, Chen Yi-wen, Duan Chun-hao
- Production_studio: MandarinVision
- Slogan: Each school has its own legend, Welcome to Edison Junior High.
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".
