West Kowloon Police District Tactical (Team Sergeant Shu Ge, police officers Guan Zhi Zuan, Xu Guo Zian and Chan Ge), when they were on duty in 2019, were assigned to a jewelry robbery. The cold-blooded gangster Chen Zu Yao snatched Chan Ge's police gun and killed Brother Shu on the spot! In order to save his teammates, Zhi Xuan abandoned his gun and knelt down to surrender. A cold-blooded shot changed the lives of four police officers... Five years later, Brother Chan lost his fighting spirit, and Guo Xian quit the police force. Only Zhi Xuan persisted in being a competent police officer. Now joining the Mobile Force, Zhi Xuan and his partner Su Guo Wei led new members of the mobile unit and successfully assisted the anti-triad inspector Peng Ying @i in arresting drug dealers. Zhi Xuan actually saw the back of Zu Yao in the crowd, and then knocked him down with a punch, which shocked his colleagues present. (Source: Chinese = TVB || Translation = unbeliebubble at MyDramaList)