主(zhǔ )人公洪三携母(🆓)亲和好(hǎo )(🐽)友(🥇)齐(📼)林到上(shàng )海投(🔼)奔严(🃏)华,卷入两大公司权利斗争(zhēng )。严(🎹)华此(🥈)时是(🛤)一(🌰)名(🍖)码头工人(rén ),他不畏强权被推举为(wéi )工人领袖(xiù )。洪三(🚤)则(zé )(🖲)凭借机智多次(cì )在(zài )凶险的上(🕖)海滩(tān )化险为夷。洪三与(🏐)忠义之士沈(shěn )达义结金兰(😚),与来上海报(bào )父仇的(🥀)林依(yī )依(yī )在(zài )斗(🤷)智(zhì )斗勇中成(🌙)为(📎)莫逆(nì )(🚣),女扮男装的林依依爱上洪(hóng )三(sān )。洪三接近富家女 于梦竹,于梦竹(🤠)爱上洪三(sān )。严华遇(yù )险,为(wéi )共(🈴)产党(⛏)人(🥫)梁兴义所救,加入共产党。林(lín )依依为报仇铤(🧟)而走(zǒu )(🧣)险,洪(hóng )三与其奔走天涯。林依(yī )依遇难,洪三重回上(shàng )海滩(tān )。在严华和(hé )梁(👪)兴义进步(bù )思(sī )想(🌼)的感召(zhào )下,洪(😝)三(sān )放(fàng )(🏒)弃(qì )来之(zhī )不易的“美好生活(⏲)”,为护送梁(🥤)兴(🔷)义(👵)离开上(shàng )海(hǎi )倾其所(🔞)有甚至生命。洪三逐渐懂得,共(🔥)产党(🌸)带领的(de )这条道路,才(cái )是他所(suǒ )想追(🚻)求的远大前程(chéng )。