清末民初,佛山武学宗师黄(huáng )飞鸿因(yīn )噩梦预(yù )感女记者莫十三遇险(xiǎn ),携弟子(zǐ )前往古(gǔ )云村寻人。村中蜈蚣教借蛊术(shù )胁迫村(cūn )民献祭孩童,莫十三探查真相(xiàng )时被擒(qín ),身中噬魂蛊。黄飞鸿闯祭坛救(jiù )人,因不(bú )忍伤及被蛊惑的村民反中蛊(gǔ )毒,幸得(dé )卧底蜈蚣教的鬼脚七暗中相(xiàng )助。众人(rén )合力破除水源蛊毒,救治村民(mín ),鬼脚七(qī )伤愈拜(bài )师。巫师自焚后,线索指(zhǐ )向广州(zhōu )东瀛会(huì )馆。黄飞鸿潜入会馆救(jiù )出被掳(lǔ )孩童,对(duì )决主事服部一郎,得知幕后黑(hēi )手为西(xī )洋吸血鬼麦克罗。麦克罗散播(bō )疫毒祸(huò )乱羊城,以莫十三性命相要挟(jiā )。黄飞鸿(hóng )于绝境中融合腿法,悟出佛山(shān )无影脚(jiǎo ),击杀麦克罗。蛊毒尽解,百姓恢(huī )复神智(zhì ),广