Based on real-life crimes that terrorized Hong Kong in the 1990s, Logan (Tony Leung Ka-Fai) is the head of leading a notorious human trafficking gang, abducting the children of Hong Kong's elite. Police forces decide to send in Sky (Louis Koo), a Hong Kong undercover agent whose mission is to infiltrate and save the hostages, all while bringing the gang and their leader to justice.
| Actor | Role |
|---|---|
 Tony Leung Ka-faiLogan Long | Logan Long |
 Louis KooSky He | Sky He |
 Gordon Lam Ka-TungDoc | Doc |
 Sabrina QiuBunny | Bunny |
 Willie Wai Ga-HungZhu-Ge | Zhu-Ge |
 Jason WongFiery | Fiery |
 Simon YamLi Qiang | Li Qiang |
 Du JiangCaptain Zhou | Captain Zhou |
 Candice Yu On-OnRebecca He | Rebecca He |
 Phat ChanShen Deng | Shen Deng |
| YYe XiangmingLong Zhi Fei | Long Zhi Fei |
 Connie ManNot listed | Not listed |
 Lukian WangNot listed | Not listed |
 Michael WongStandford He | Standford He |
 Fiona ZhenHe Jiaqi | He Jiaqi |
 Angie Cheung Wai-YeeNot listed | Not listed |
 Jacqueline Chong Si-ManNot listed | Not listed |
 Chun WongNot listed | Not listed |
 Rainbow ChingNot listed | Not listed |
 Gui JingjingMay May | May May |
 Law Wing-CheongNot listed | Not listed |
 Huang ZhenchenNot listed | Not listed |
| PPan BoStandford's Bodyguard (Henry) | Standford's Bodyguard (Henry) |