民国初年(nián ),集贤武馆(guǎn )主(📒)人(rén )平伯被(bèi )日本(běn )高手(😘)谷(gǔ )岚所杀(🔱),其子铁(🍥)娃(川(chuān )原(yuán ))入(rù )(🥈)山(shān )投(🛤)大舌(🍖)头,并(bìng )将家传「霹(pī )雳拳」(👋)秘(⏬)籍交予(❣)凤妞(王(📼)金(jīn )凤(🚤))(🖲)保存。铁娃于山(shān )中与大(🎡)舌头之女红蝴(hú )蝶(施思)相处甚得(dé )。时(shí )谷(🎫)岚之子(😚)谷刚(gāng )(南(nán )宫(gōng )勋)自日本学成(chéng )归来,悦凤妞美(měi )色,挑拨其(🥁)夫大熊(佟林)与铁(tiě )娃(💱)之误会,幸(xìng )得凤妞(niū )调(diào )解(🙂),铁娃(✋)取得大(🙌)熊(xióng )谅解,取回秘(🙀)籍,辞别还(⏰)山。后(⛏)大(🥫)熊与谷刚决(jué )战(🤲)不敌,死于暗算;凤妞为拒谷刚淫辱,以(🕯)自杀保清(🤘)白。铁(tiě )娃(💹)与红蝴蝶得悉(xī ),下山为凤妞报仇(chóu ),卒(zú )赖「霹雳拳」的威力,置谷(📟)刚(🐩)于死地.