主人公洪(hóng )三携(🔨)母亲和(hé )好友(🥇)齐林到上(🐌)海投奔严(yán )(🃏)华,卷入(🕸)两大公(gōng )司权利斗争。严(🎹)华(huá )此(cǐ )时(shí )是一名码头工人(rén ),他不畏强权(quán )被推举(🎲)为(wéi )工人领(lǐng )袖。洪三则凭借机(🕔)智多次在凶险的(🎡)上海(🕯)滩化(huà )险为夷。洪三(🚉)与忠义之士(shì )沈(📞)达义结金兰,与来上海报父仇的林依依在斗(🤷)智斗勇中成为莫(mò )逆(nì ),女扮(bàn )男装的林依(yī )(😞)依爱上(shàng )洪三(sān )。洪(🎛)三接近富家女 于梦竹,于(yú )梦竹爱上洪三。严(yán )华(🙉)遇险(xiǎn ),为(wéi )共(gòng )产党(⛏)人梁兴义(yì )所救(🚻),加入共产党。林(lín )依依(yī )为报仇(🐀)铤而走险(xiǎn ),洪(🕯)三与其(qí )奔走天(❕)涯。林(lín )依依遇难,洪三重回上海滩。在严(yán )华和梁(👪)兴(🥋)义进步思(💅)想的(de )(🚶)感召(zhào )下(🐩),洪(😝)三放弃来(lái )之不易的“美好生(🤥)活”,为护(hù )送梁(🥤)兴义离开(kāi )上(🥅)海倾其(qí )所有甚(🚲)至(zhì )生(🔎)命。洪三逐(zhú )(🐖)渐懂(🖍)得,共产(🚡)党带领的(de )这条道路,才是(😳)他所(🎦)想(xiǎng )追(zhuī )(🚻)求(🍺)的远大前程。