A man's body was found in the wetland beside Erlong Lake in Siping City. The police launched a full investigation. Suddenly, a night-shift taxi driver Yang Dawei surrendered to the police headquarters. Night before Dawei meet classmate, drunk as a lord that resulting in an accidental collision on the way. But it was only first step that led to another vicious criminal case
| Actor | Role |
|---|---|
 Kan BenbenLi Si | Li Si |
 Zheng PangYang Dawei | Yang Dawei |
| YYang LiZhang Jiulong | Zhang Jiulong |
 Zhang TaoXiong Er | Xiong Er |
 Zhang HaoThe First Mysterious Private Detective | The First Mysterious Private Detective |
 Erwo WuThe Second Mysterious Private Detective | The Second Mysterious Private Detective |
 Li ChaolongOnline-Star | Online-Star |