When a spirit medium is called to exorcise a demon from a possessed man, he is unknowingly captured in the act by two students looking to document the process. When the students accidentally release the devil fish demon into the world, it is up to them and the spirit medium to send it back to the hellish world from where it came.
| Actor | Role |
|---|---|
 Vivian HsuHuang Yahui | Huang Yahui |
 Rexen ChengLin Zhicheng | Lin Zhicheng |
 Joe ChangZhong | Zhong |
 Wu Chih-hsuanJiahao | Jiahao |
 Lung Siu WaAron | Aron |
 Francesca KaoLin Meihua | Lin Meihua |
 Rainie YangLi Shu-fen | Li Shu-fen |
 Hsu Wei-ningShen Yi-Jun | Shen Yi-Jun |
 Chiao Yuan-yuanLi Yating | Li Yating |
 Jui-Tse TsaiAh-Ta | Ah-Ta |
 Tsai Wu-HsiungHung Wen-Hsiung | Hung Wen-Hsiung |