清末(mò )民初,佛山武学宗(zōng )师黄飞鸿因(yīn )噩梦预(yù )感女记者莫十三(sān )遇险,携弟子前往古(gǔ )云村寻人。村中蜈(wú )蚣教借蛊术胁迫村(cūn )民献祭孩童,莫十(shí )三探查(chá )真相时被擒(qín ),身中噬魂蛊。黄飞鸿闯祭(jì )坛救人,因不(bú )忍伤及被蛊惑的村民反(fǎn )中蛊毒,幸得(dé )卧底蜈蚣教的鬼脚七暗(àn )中相助。众人(rén )合力破(pò )除水源蛊毒,救治(zhì )村民,鬼脚七(qī )伤愈拜(bài )师。巫师自焚后,线(xiàn )索指向广州东瀛会(huì )馆。黄飞鸿潜入会(huì )馆救出被掳孩童,对(duì )决主事服部一郎(láng ),得知幕后黑手为西(xī )洋吸血鬼麦克罗。麦克罗(luó )散播疫毒祸(huò )乱羊城,以莫十三性命相(xiàng )要挟。黄飞鸿(hóng )于绝境中融合腿法,悟出(chū )佛山无影脚(jiǎo ),击杀麦克罗。蛊毒尽解,百(bǎi )姓恢复神智(zhì ),广