In Hong Kong's Temple Street, various forces gather and intertwine. Blind Fai (Derek Tsang), who is physically disabled and makes a living under the gang boss Yan Chan Lok, falls in love with Xiao Hui, a girl who sneaked from the mainland. The PTU troops used Blind Fai to eliminate the underworld groups and the drug trafficking dens of Liansheng, triggering a conflict between Liansheng boss Sang Kun and Yan Chan Lok. When Sang Kun was chasing Blind Fai, he was ambushed by Le's men and fell to his death. In view of the frequent occurrence of vicious cases, the police station launched a large-scale killing operation, and the shops controlled by the underworld in Temple Street were forced to close. Yan Chan Lok was angry and took his anger out on Blind Fai, causing him and his girlfriend to live on the streets. Li Yongsen (Simon Yam) arrested Xiao Hui, who was causing trouble, while on duty, which made Blind Fai hate this sergeant who caused his happiness to be broken...