Inspector General Li Tiezhu took over the investigation of a case related to the collusion between police officers and the underworld. The target figures were Huang Zhenxiong, the detective of the serious crime team, and a group of agents under him. Xiong solved many cases with the help of the underworld, but he also accepted the benefits of the underworld and had illegal discipline. Li Tiezhu wanted to collect evidence of Xiong and others, but because Xiong was also a competent policeman and was good at hiding evidence to avoid legal sanctions, Li Yi could not bring Xiong to justice for a while. After that, a new captain named Chang joined the ranks of Xiong. Chang was an upright policeman. Xiong's attempt to buy failed, and Li also took the opportunity to use Chang to collect evidence of Xiong's crime to arrest Xiong, and Xiong committed suicide in fear of crime.

家辉与KK、ET等人喜好飞车，一次赛事中家辉邂逅少女阿雪。恶少金十二常对阿雪骚扰，家辉出头，与十二少结怨。家辉叔父张铁柱乃巡警，反对家辉动武，又威迫十二少停手，结果遭人袭击至重伤。家辉盛怒，率童党找十二少算帐……