『胸前(qian)兩團大(da)雪球跟著跳躍(yue)起來』介紹:劉國忠(zhong)(zhong)(任達華(hua)飾(shi))是一(yi)個身患絕癥的警察(cha),他的前(qian)途暗淡(dan)無光,他接到任務要(yao)保護一(yi)個證(zheng)人的女兒。督察(cha)馬軍(jun)(jun)(甄子(zi)丹(dan)飾(shi))是身手了得(de)的武術家,一(yi)心要(yao)接替(ti)忠(zhong)(zhong)的位置。忠(zhong)(zhong)派去黑道大(da)哥寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye)(洪金寶(bao)(bao)(bao)(bao)飾(shi))身邊的臥(wo)底意外(wai)死(si)亡,原(yuan)因(yin)不明,忠(zhong)(zhong)懷(huai)疑是寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye)所為。于(yu)是把(ba)寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye)押送到警局盤問,苦于(yu)沒有證(zheng)據,忠(zhong)(zhong)迫不得(de)已開始捏造證(zheng)據控告寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye),全警局都(dou)深(shen)諳(an)此道,只有軍(jun)(jun)蒙在(zai)鼓里。然而(er),證(zheng)據神秘消失(shi),寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye)走出警局時,揚言(yan)要(yao)殺(sha)掉(diao)忠(zhong)(zhong)的所有手下,果然他身邊的冷血(xue)殺(sha)手Jack(吳京(jing)飾(shi))干掉(diao)了忠(zhong)(zhong)一(yi)幫下屬,馬軍(jun)(jun)意外(wai)發(fa)現(xian),忠(zhong)(zhong)的下屬和寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye)之(zhi)間原(yuan)來還(huan)另有恩怨,馬軍(jun)(jun)怒(nu)火中燒,決定(ding)與寶(bao)(bao)(bao)(bao)爺(ye)(ye)(ye)(ye)和Jack決一(yi)死(si)戰。