李小(xiǎo )龙（吴大维饰）年少时(shí )始(shǐ )痴(🏽)迷武术，拜咏春一(🕟)代宗(🛍)师(🔱)叶轩（徐二牛饰(shì )(🎗)）为(wéi )师。小(xiǎo )(🛤)龙挑(tiāo )战同学石少虎(💤)（吕颂贤饰）(⏬)为师(🎏)。小龙挑战同(😎)学石少(shǎo )(⚫)虎(hǔ )（吕颂贤饰）却饮(🎡)恨败于(👁)半(bàn )招之(zhī )内，后又与莫逆之交唐(📞)发（张家(jiā )(🗑)辉(huī )饰）为救人(rén )与(yǔ )人打架，惹下(xià )大祸！因(💞)此，龙父李百(bǎi )川（刘(🌚)家良饰(🛑)）决意送他真诚美(🌑)留学。