ICAC investigator Ching probes cigarette smuggling, catching an ex-boxer, only to be suspended and investigated himself after mysterious bribery funds appear in his father's account.
| Actor | Role |
|---|---|
 Kevin Cheng Ka-WingChing Tak-ming | Ching Tak-ming |
 Hubert WuMan Yuen | Man Yuen |
 Annie Liu Xin-YouHeung Lok-ye | Heung Lok-ye |
 Adam PakPark Yui | Park Yui |
 Shirley ChanHayley | Hayley |
 Xia YanTammy | Tammy |
 Bosco Wong Chung-ChakChung Sing-kit | Chung Sing-kit |
 Raymond WongICAC Director | ICAC Director |
 Shek SauSo Long-sun | So Long-sun |
 Lawrence Lau Sek-YinFat Bun | Fat Bun |
 Lo Hoi-PangChing Tak-ming's Father | Ching Tak-ming's Father |
 Jason Pai PiaoTsang Lok-han | Tsang Lok-han |
| EEva LaiMan Yuen's Mother | Man Yuen's Mother |
 Wong Man-BiuLo Kwan-chun | Lo Kwan-chun |
 Mak Ho-PongBuyer | Buyer |