清(qīng )末民初(chū ),佛山武学宗师黄飞鸿因噩梦(mèng )预感女(nǚ )记者莫十三遇险,携弟子前往(wǎng )古云村(cūn )寻人。村中蜈蚣教借蛊术胁迫(pò )村民献(xiàn )祭孩童(tóng ),莫十三探查真相时被(bèi )擒,身中(zhōng )噬魂蛊(gǔ )。黄飞鸿闯祭坛救人,因不忍伤(shāng )及被蛊(gǔ )惑的村民反中蛊毒,幸得卧底(dǐ )蜈蚣教(jiāo )的鬼脚七暗中相助。众人合力(lì )破除水(shuǐ )源蛊毒,救治(zhì )村民,鬼脚七伤愈(yù )拜师。巫(wū )师自焚后,线索指向广州东瀛(yíng )会馆。黄(huáng )飞鸿潜入会馆救出被掳孩童(tóng ),对决主(zhǔ )事服部(bù )一郎,得知幕后黑手为(wéi )西洋吸(xī )血鬼麦(mài )克罗。麦克罗散播疫毒祸乱羊(yáng )城,以莫(mò )十三性命相要挟。黄飞鸿于绝(jué )境中融(róng )合腿法,悟出佛山无影脚,击杀(shā )麦克罗(luó )。蛊毒尽解,百姓恢复神智,广