Yang Rui falls in love for the cleaning woman who works in a taekwando gym, only to later discover she's an undercover cop named An Xin. An is in hiding from drug smugglers who have a score to settle with her - a raid she led resulted in the death of one of the smuggler's parents. To complicate matters further, An was previously romantically involved with the smuggler whose parents were killed.
| Actor | Role |
|---|---|
 Zhao Wei安心 | 安心 |
 Nicholas Tse Ting-Fung毛杰 | 毛杰 |
 Liu Yunlong杨瑞 | 杨瑞 |
 Chen Jianbin张铁军 | 张铁军 |
 Hong Jiantao刘明浩 | 刘明浩 |
 Niu Li钟宁 | 钟宁 |
 Sun Haiying潘队长 | 潘队长 |
 Liu QiongNot listed | Not listed |
 Sun Fei FeiNot listed | Not listed |
 Liu MingzheNot listed | Not listed |
| WWong PangNot listed | Not listed |