阿(🈯)勇(万(wàn )(🌠)梓良(liáng )(🔨)饰)、阿(ā )国(guó )(刘德华饰)兄(xiōng )弟(dì )(🃏)俩浪迹香港街头,投靠(🍥)了(le )黑社会邦(🆖)主剂哥((🌰)周润发(🏴)饰)。由于阿(ā )国得到剂哥赏识(shí ),引起阿勇(yǒng )妒嫉,兄弟间产生(shēng )隔阂。阿勇倒(dǎo )向朱老(lǎo )大,阿国(guó )(🛹)却远(yuǎn )去新加坡另(lìng )谋(🎿)生计。若干年后,阿勇(🖍)羽翼丰满(mǎn )(🕕),逐杀朱(🤷)老大自立(🚢)邦主,又设计将剂哥(gē )(🚨)帮(bāng )派斩(zhǎn )(😞)尽杀绝,剂哥遇难(🌊),孤身亡命新加坡寻找阿国(guó ),阿(🤸)勇(🌞)步步(㊙)追杀(🙀),将剂(⛓)哥(gē )妻子(🈴)(刘嘉玲(líng )饰)、儿女惨(🕙)杀,此刻悲痛、愤恨(hèn )促(cù )使阿(🧟)国重新出山,随(👣)剂哥(🤘)返(🈁)回(huí )香(xiāng )港以(yǐ )死相拼,报仇(chóu )雪恨......