Senior Inspector Wai Ging Seng of the West Kowloon Crime Unit and Ho Wai Lim, Senior Investigation Officer of the Hong Kong ICAC meet unexpectedly in the process of arresting a murderer. After being framed, hunted down by killers, and turned against their partners, they join hands to surface a corruption force that includes almost the entire top-level social network in Hong Kong.

• Raymond Lam
• Chrissie Chau Sau-Na
• Raymond Ho-Yin Wong
• Lynn Hung Doi-Lam
• Lawrence Ng Kai-Wah
• Oscar Leung