于萍千里(lǐ)迢迢的来到(dào)香(xiāng)港(gǎng)追寻(xún)其杀父之仇人,故(gù)而在夜(yè)总(zǒng)会(huì)中卖(mài)艺(yì)献(xiàn)唱(chàng),同(tóng)时(shí)雇(gù)用(yòng)征信社来进(jìn)查大牛之踪(zōng)迹(jì).舞(wǔ)台(tái)上(shàng),摇(yáo)曳(yè)生(shēng)姿(zī)的子萍,更(gèng)吸(xī)引(yǐn)住(zhù)黑龙,偏偏于萍却(què)对(duì)其身(shēn)旁(páng)的大牛青睐,而谱(pǔ)下了(le)恋(liàn)曲(qǔ),落(luò)入(rù)黑道(dào)之黑龙,令(lìng)其妹与大牛担(dān)心不已(yǐ),一场(chǎng)黑吃(chī)黑的事(shì)件中,黑龙终(zhōng)于命(mìng)丧(sàng)黄(huáng)泉(quán),其妹与大牛誓(shì)死(sǐ)为(wèi)其兄(xiōng)复(fù)仇.征信社调(diào)查下,于萍方(fāng)知自(zì)己所(suǒ)爱(ài)之人竟(jìng)是(shì)当(dāng)年(nián)杀父之大牛,泯(mǐn)灭(miè)良(liáng)知之大牛在一不做二不休下,将(jiàng)于萍狙(jū)击(jī).黑龙妹得(dé)知大牛枪...