Yan Su-jun is a wealthy young man who loves reading detective novels growing up. Just as he returns to Taiwan from abroad, he joins Tu Chi-ling's Jealous Detective Agency as an assistant. Sung Yi, the boss of a construction company, entrusts them with the investigation of the strange killing of his wife, Lin Yu-min.
| Actor | Role |
|---|---|
 David WuNot listed | Not listed |
 Jasper LiuNot listed | Not listed |
 Cheryl YangNot listed | Not listed |
 Lin Mei-shiuNot listed | Not listed |
 Chu Chung-hengNot listed | Not listed |