主人公洪三携母亲(⛲)和好友(yǒu )齐林(lín )到上(🐌)海投奔(🌰)严(yán )华(🕋),卷入两大(🔱)公司权利斗争(zhēng )。严华此(cǐ )时是一名码头工人,他不畏强权(quán )被推举为工(❣)人领袖。洪三则凭借机(🕔)智(🔸)多次在(🤷)凶险(xiǎn )的(de )上海(hǎi )滩(tān )化险为(✳)夷(yí )。洪三与忠义之(zhī )士(🛺)沈达义(yì )结金兰(😚),与来上(😻)海报(🖍)父(🚑)仇的林(lín )(🕕)依(yī )依在(zài )斗智斗勇中成为莫逆,女扮男装(zhuāng )的林依依爱上洪三。洪(hóng )三接近富家女(nǚ ) 于梦竹(zhú ),于梦竹(zhú )爱上洪三。严华遇(yù )(💪)险,为(wéi )共(🈴)产(chǎn )(🍄)党人(🥫)梁兴义所(🔔)救(jiù ),加入共产党。林(lín )依依(yī )为(wéi )报仇(chóu )(🐀)铤而走险,洪三(🌮)与(yǔ )(👣)其奔走天(tiān )涯(💝)。林依依遇难,洪三重回上海滩(➡)。在严(🌹)华和梁兴义进(🃏)步思想的感(gǎn )召(zhào )下,洪三放弃(🙎)来(💿)之不易的“美好(hǎo )生(shēng )活(⏲)”,为护送梁(🥤)兴义(yì )离开(kāi )上(shàng )(🥅)海倾(🍽)其所(suǒ )有(yǒu )甚至生命。洪三逐(zhú )渐懂得,共产(chǎn )党带(dài )(📞)领(lǐng )的(🏓)这条道路,才是他所想追(🚻)求(qiú )(🍺)的远大前程(chéng )(⏺)。