清末民(mín )初,佛山武学宗师黄飞鸿因噩(è )梦预感(gǎn )女记者(zhě )莫十三遇险,携弟子前(qián )往古云(yún )村寻人(rén )。村中蜈蚣教借蛊术胁(xié )迫村民(mín )献祭孩(hái )童,莫十三探查真相时被擒,身(shēn )中噬魂(hún )蛊。黄飞鸿闯祭坛救人,因不忍(rěn )伤及被(bèi )蛊惑的村民反中蛊毒,幸得卧(wò )底蜈蚣(gōng )教的鬼脚七暗中相助。众人合(hé )力破除(chú )水源蛊毒,救治村民,鬼脚七伤(shāng )愈拜师(shī )。巫师自焚后,线索指向广州东(dōng )瀛会馆(guǎn )。黄飞鸿(hóng )潜入会馆救出被掳孩(hái )童,对决(jué )主事服(fú )部一郎,得知幕后黑手为西洋(yáng )吸血鬼(guǐ )麦克罗。麦克罗散播疫毒祸乱(luàn )羊城,以(yǐ )莫十三性命相要挟。黄飞鸿于(yú )绝境中(zhōng )融合腿法,悟出佛山无影脚,击(jī )杀麦克(kè )罗。蛊毒尽解,百姓恢复神智,广(guǎng )