簡介：<p>受過特警訓練的警察陳家駒（成龍）為人正直辦案拚命
，時常將女友（張曼玉）忽略。某次圍剿行動中陳家駒拘捕了大毒梟朱滔，但因證人（朱滔的秘書）莎蓮娜（林青霞）deturanshizong，weinengjiangqishengzhiyufa，chenjiajuyincishoujiangzhichufen。shihouhanhenzaixindezhutaoweilebaofuchenjiaju，shejijiangqiyouzhiqiujinshaliannadebieshu
，bingpaishouxiashasiyimingjingchajiahuoqishen，lingchenjiajuzaijingfangdetongjilingxiazhinengsichuliuwang。 　　而(er)僥(jiao)幸(xing)逃(tao)脫(tuo)的(de)莎(sha)蓮(lian)娜(na)明(ming)白(bai)到(dao)朱(zhu)滔(tao)為(wei)人(ren)不(bu)擇(ze)手(shou)段(duan)的(de)本(ben)質(zhi)，為(wei)求(qiu)自(zi)保(bao)，冒(mao)險(xian)潛(qian)入(ru)朱(zhu)滔(tao)辦(ban)公(gong)室(shi)偷(tou)得(de)證(zheng)據(ju)，卻(que)被(bei)其(qi)手(shou)下(xia)追(zhui)殺(sha)至(zhi)商(shang)場(chang)，陳(chen)家(jia)駒(ju)及(ji)時(shi)趕(gan)到(dao)，與(yu)朱(zhu)滔(tao)手(shou)下(xia)展(zhan)開(kai)激(ji)戰(zhan)。</p>…