主(zhǔ )人公洪(🌠)三携母亲(qīn )和好友齐林(lín )(📒)到上海(hǎi )投奔严华,卷入两大(dà )(🔱)公司权利斗(dòu )争。严华(huá )(🆖)此(cǐ )时(shí )是一名码头工人(🐮),他不畏(🎾)强权被推举(🎲)为工(❣)人领袖。洪三(🚤)则凭(⚫)借(jiè )机(jī )(🕔)智多次在(zài )凶险(xiǎn )的上(shàng )海滩化险为(✳)夷。洪(hóng )(🛹)三与忠义之(zhī )士沈(📞)达(dá )义(🎫)结金兰,与来上海报(🖍)父(fù )仇的(🥀)林依依(yī )在(🐖)斗智(zhì )斗勇中成为莫(mò )逆,女扮(bàn )男(📯)装的林(⏯)依依爱(🔢)上洪(hóng )三。洪三(🌊)接近富(fù )家女 于(📙)梦竹,于梦竹爱上洪三。严华(🙉)遇险,为共(gòng )产党人(rén )梁兴(xìng )义所救(🚻),加入共产党。林依依为报仇(chóu )铤而走险,洪三(🌮)与其(qí )奔走天涯。林依依(yī )遇难,洪三重回(🦇)上海滩。在(🐛)严华(⛏)和梁(👪)兴(xìng )义(🤷)进步(🌪)思想的感召下,洪三放弃来(💿)之不易的“美(🔍)好生活”,为护送梁兴义离开上(shàng )(🥅)海倾其(🏃)所有(yǒu )甚至生命。洪(hóng )(🌱)三逐(zhú )渐懂得,共产党(🌸)带领(lǐng )的这(zhè )(🚽)条道(dào )路,才(cái )是他所(suǒ )想追求的远(yuǎn )大前程(chéng )。