『中文字日產亂幕7一(yi)區』介紹:退休警察(cha)豹(bao)叔膝下有兒子阿(a)(a)(a)(a)國(guo)(guo)(guo)(張(zhang)國(guo)(guo)(guo)強 飾)和養(yang)子阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)(劉(liu)德華 飾),阿(a)(a)(a)(a)國(guo)(guo)(guo)曾(ceng)是國(guo)(guo)(guo)際刑警,如今返港擔任督察(cha);而(er)阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)則混跡(ji)黑道(dao),雖(sui)然收入豐厚并頗得老板楊東(dong)海(hai)賞(shang)識(shi),但阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)拒絕販毒令楊東(dong)海(hai)很為(wei)難。阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)與(yu)阿(a)(a)(a)(a)國(guo)(guo)(guo)情同(tong)手足,但并未(wei)打探彼此工(gong)作。不(bu)久,阿(a)(a)(a)(a)國(guo)(guo)(guo)受命調(diao)查楊東(dong)海(hai)一(yi)伙,同(tong)時阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)中了楊東(dong)海(hai)苦(ku)肉計,不(bu)得不(bu)與(yu)毒販接(jie)洽(qia),結果引發血(xue)戰。背負殺人嫌疑的阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)被(bei)阿(a)(a)(a)(a)國(guo)(guo)(guo)追索(suo),僥幸(xing)逃脫后連累后者遭警隊處罰。另一(yi)方(fang)面,阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)和阿(a)(a)(a)(a)國(guo)(guo)(guo)在警隊中的對頭(tou)步步緊逼他(ta)們,最(zui)終身(shen)死,而(er)阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)的女(nv)友雯(wen)雯(wen)(蕭(xiao)紅梅(mei) 飾)為(wei)阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)幾(ji)次犯險,阿(a)(a)(a)(a)定(ding)(ding)(ding)(ding)不(bu)忍棄她(ta)而(er)去獨自出國(guo)(guo)(guo)避禍,