主(🈯)人公洪三携母亲和(✒)好(🐽)友(🥇)齐林(lín )到上海投奔严华,卷入两(🛍)大公(gōng )(🕰)司权利斗争。严华此(🥈)时是(🛤)一名码头(tóu )工人,他不畏强权被推举为工(gōng )(❣)人领袖。洪(hóng )三则凭借机智多次在(🤷)凶险的(de )(🎡)上海滩化(🙍)险为夷。洪三(🚉)与忠(🚥)义之士(shì )沈达义(yì )结金兰,与来上海报(bào )父(fù )仇的林依依(yī )在斗智(zhì )斗勇中成为(wéi )莫(🧚)逆,女扮(🌚)男(nán )装的林依依爱上洪三。洪三(sān )接近富家(jiā )女 于(yú )(📙)梦竹(zhú ),于梦竹爱上洪三。严华(huá )遇险(xiǎn ),为共产党(dǎng )人梁(liáng )兴义所(🔔)救,加入共产党。林依(🤳)依为(wéi )(🥕)报仇铤(🧟)而走险,洪三与其奔(🤘)走(🈁)天涯(💝)。林(lín )依依遇难,洪三(🚗)重回上海滩。在严华(⛏)和梁兴义进(🃏)步思(💅)想的感召(zhào )下(xià ),洪(hóng )三放弃来之不易(🈺)的“美好生活(huó )”,为护送(📸)梁兴义离(♌)开(kāi )上(🥅)海倾(qīng )其所(suǒ )有(yǒu )(🏴)甚至(📐)生(shēng )命。洪(🌱)三逐渐(🆙)懂得,共(🔥)产(chǎn )党(dǎng )带(dài )领的这(🚽)条道路,才(cái )是他所想追(🚻)求的远(yuǎn )大前程(chéng )。