周汉治跟白明明从小在联山石材厂内长大,二人关系很好,周汉治靠着当地很有名的“社会人”——耀哥,也混的不错,后来白明明考上了警校,当上了警察,周汉治也想结束“混社会”的生活,想跟女友李晓燕求婚,过上正常人的安稳生活,可李晓燕却意外被耀哥侵犯,周汉治得知后一直怀恨在心。在他求婚这天跟随耀哥到汽修厂后,在车里看到了他给李晓燕的定情信物,一怒之下,他破坏了耀哥的刹车盘。
从汽修厂跑出后,周汉治却又因救白明明而防卫过当,失手杀了人,进看守所蹲了一年。出狱后周汉治得知耀哥的车祸还牵连了武强的妻女,他内心极度惶恐不安。而最终,武强去警局自首,说自己杀了人,意识到不对的兄弟二人急忙往李晓燕家里赶去,但一切都为时已晚。
Agents from China try to disrupt the Hong Kong economy by flooding the market with counterfeit US dollars. South Korean underworld leaders and Norht Korean agents also want the plates to the phoney money. A South Korean double agent is working for one of these groups and plans to reveal all to the world