『4399韓(han)國(guo)(guo)電(dian)影(ying)網』介紹:劉國(guo)(guo)忠(zhong)(zhong)(任(ren)達華飾(shi))是(shi)一個身(shen)(shen)患絕癥的(de)警察(cha),他的(de)前途暗(an)淡無光,他接到(dao)任(ren)務(wu)要保護一個證人(ren)的(de)女兒。督察(cha)馬軍(jun)(甄(zhen)子丹飾(shi))是(shi)身(shen)(shen)手了得的(de)武術家,一心要接替忠(zhong)(zhong)的(de)位(wei)置。忠(zhong)(zhong)派去(qu)黑道(dao)大哥寶(bao)爺(ye)(洪金寶(bao)飾(shi))身(shen)(shen)邊(bian)的(de)臥(wo)底意外(wai)死亡,原因不明,忠(zhong)(zhong)懷疑(yi)是(shi)寶(bao)爺(ye)所為。于是(shi)把(ba)寶(bao)爺(ye)押送到(dao)警局(ju)盤(pan)問,苦于沒有(you)(you)(you)證據(ju),忠(zhong)(zhong)迫不得已開始捏造證據(ju)控告寶(bao)爺(ye),全警局(ju)都深諳此道(dao),只有(you)(you)(you)軍(jun)蒙在鼓里(li)。然而,證據(ju)神秘消失,寶(bao)爺(ye)走出警局(ju)時,揚言要殺掉(diao)忠(zhong)(zhong)的(de)所有(you)(you)(you)手下(xia)(xia),果(guo)然他身(shen)(shen)邊(bian)的(de)冷血殺手Jack(吳京(jing)飾(shi))干掉(diao)了忠(zhong)(zhong)一幫下(xia)(xia)屬(shu)(shu),馬軍(jun)意外(wai)發現,忠(zhong)(zhong)的(de)下(xia)(xia)屬(shu)(shu)和寶(bao)爺(ye)之間原來(lai)還(huan)另有(you)(you)(you)恩怨(yuan),馬軍(jun)怒火(huo)中燒(shao),決(jue)定與寶(bao)爺(ye)和Jack決(jue)一死戰。