On the eve of the election of the leader of Hong Kong's evil gang "Hong Le", Li Jing (played by Li Tianxiang), one of the leading candidates of "Hong Le", was kidnapped by the kidnappers, and threatened his wife Zhang Fei (played by He Peiyu) for 10 million. To redeem her husband. Zhang Fei asked the police for help, and the police station responsible for the case was the detective Lin Xiang (played by Deng Jianhong) who was undercover by Li Jing.