习(xí )武大(👷)成的宏(hóng )伟(wěi )刚(🐽)刚回(huí )到老(lǎo )家,就被成为混混(hún )的(🕸)发小(xiǎo )佬桑将未婚妻(qī )绑架,逼着(zhe )他去(qù )参加(🔬)拳赛赚(zuàn )钱(🥩),决赛中故意被佬桑打(dǎ )败,让(ràng )其赚取(🚤)高(gāo )额(⚫)赔率。宏(👑)伟被佬桑暗下黑手打成(chéng )内伤(🔲),未(wèi )婚妻马霖(lín )推(tuī )着他四处求医,医(🍮)院的治(zhì )疗后(🖍)又找师姑南飞(😱)燕(🐖)治好后,宏伟(wěi )的伤势(🚣)基本痊(🌚)愈。此时外(wài )国密谋(móu )组织(zhī )针(🌑)对(duì )华夏的青年武道大赛(sài )(🔝),伤(🐑)愈的(de )(🙌)宏(hóng )(🤠)伟奉命参(cān )赛。当(🙉)宏(hóng )(💪)伟一(yī )路高歌,顺利(🤷)进(👃)入半决赛,发现对手是改练国外(wài )格斗(🐀)技的(🚴)佬桑(sāng )。宏(hóng )伟(wěi )拼(👣)着受(🤘)伤击败佬桑(sāng ),却暴(bào )露(👊)了快腿不完善的弱点(diǎn )。因为弱(ruò )点(diǎn )被透析,总(zǒng )决赛(sài )中宏伟被日(😝)本人(rén )(🏒)伊势(💿)明打(🐡)的节(jiē )节败退(tuì ),危急关头悔悟的(🥤)佬桑(👵)突(tū )然冲入场(🍽)中护住宏伟,被打的濒临死亡(🖍)。此时宏伟悲(bēi )愤交加(🚽),终于感悟(🕕)快腿最(zuì )后一式,将伊势明打(👩)败。