Starring: Cheung Ka-fai, William Chan, Leung Lok-sze
Starring: Tan Junyan, Jiang Haowen
Starring: Zhu Jianran, Yang Tianyu, Zhang Yingkang, Qiu Ziqian
Friendship cameo: Zhou Xiuna
Special cameo: Yang Youning
Synopsis: Anti-narcotics Chief Inspector Li Zhixing sent undercover agent Jiang Ming to infiltrate the drug trafficking organization and vowed to arrest the drug leader Han Yang. Unexpectedly, Jiang Ming was forced to step into the darkness by the situation, Li Zhixing tried his best to save it, and the master-apprentice became even more hostile and irretrievable.