Aspiring young detective Xiang Li Xiqi takes on the case of a stolen research paper at school. With help from his friend Ren Shirou, he investigates a web of clues and classmates’ suspicious actions. As doubts rise, Xiang must rely on his sharp instincts to uncover the truth and prove himself.
| Actor | Role |
|---|---|
 Lin ZiyeXiang Lisiqi | Xiang Lisiqi |
| YYuexi HongRen Shiru | Ren Shiru |
 Pei JiaxinChen Jiayi | Chen Jiayi |
 Guo HexuanBai Yi Ming / Xiao Bai | Bai Yi Ming / Xiao Bai |
| ZZhuang ZexiWu Mingdong | Wu Mingdong |
 Chen ZhiyanXie Xiaomeng | Xie Xiaomeng |
 Jin YaoyuanWu Liangdong | Wu Liangdong |
 Shuyao YuLi Jianan | Li Jianan |
 Bai YaoTeacher Sun | Teacher Sun |
 Zhang WanerZhang Nuannuan | Zhang Nuannuan |
 Yutong ZhaoLi Wu | Li Wu |
 Ma YuanXiang Lisiqi's Father | Xiang Lisiqi's Father |
 Cui BoXiang Lisiqi's Mother | Xiang Lisiqi's Mother |
 Apollo Yu BoProsecutor | Prosecutor |
 Liu YitongPrincipal Dong | Principal Dong |
 Chen Yu ErDoctor Zhou | Doctor Zhou |
 Jiang WuhanTeacher Tao | Teacher Tao |
 孙钰涵Zhang Xiaoxin | Zhang Xiaoxin |
 吴滺Tang Haozhen | Tang Haozhen |
 Ren SinuoDiandian | Diandian |
| GGuo Xin ChangZhou Muen | Zhou Muen |
 林唯一Teacher Xu | Teacher Xu |
 张玟芊Teacher Wang | Teacher Wang |
 Ji ChengJia Kaihao | Jia Kaihao |