WU learns that the guarding force agency is being used for opium smuggling. He destroys all the opium on one hand and asks TONG to investigate the matter on the other. In order to help YANG collect the evidence of LUK’s guilt, TONG works for LUK without scruple. LUK appreciates TONG’s performance and promotes him. TONG suspects that WU’s agency has been trafficking opium. TONG leads a team to shut down the agency. WU, not knowing TONG’s real intention, falls out with TONG. The two friends end up having a fight. WU has been locked up in prison. LAN begs TAI for his help. TAI tricks LUK into setting WU free. SHUN wrongly thinks that TONG has betrayed his friends for personal gain. TONG endures all the humiliation in order to accomplish his mission. Seeing that WU is a useful man now, YANG is relieved and thinks it was time for him to go. YI does not want to be parted with YANG. YANG learns from TONG that LUK is trading opium with someone……