Located in the Ma Sinan Road Prison in Shanghai's French Concession, the police detective Zhong Lang, his partner Han Fei, and Yu Shengnan, a female professor at the Medical University, jointly arrested Yu Liben, a murderer who cut his throat.
| Actor | Role |
|---|---|
 Wallace ChungNot listed | Not listed |
 Ashton Chen XiaolongNot listed | Not listed |
 Qi FangNot listed | Not listed |
 Tu LimanNot listed | Not listed |
 Lian SaiYu Liben | Yu Liben |
 Eddy Ko HungNot listed | Not listed |
 Tony Liu Tian-jueNot listed | Not listed |