主人公(gōng )洪三携母(🆓)亲和(✒)好友(yǒu )齐林到上海投奔(bēn )严华,卷(🕟)入两大公司权利斗争。严华此时是一名码头工(gōng )人,他不畏强(📿)权被推(tuī )举为工人领袖。洪三(sān )(🚤)则凭借机智(🔸)多(duō )次(cì )在凶险的(de )上海滩化险为夷。洪三与忠义之(🕌)士(🛺)沈达义结金兰(😚),与来上海报(bào )父仇(chóu )的林依(yī )依(😱)在斗智斗勇(yǒng )中成为莫(mò )逆,女(🥁)扮男装的(🛑)林(⏯)依依爱(🔢)上洪(hóng )三。洪三接近富家女 于(📙)梦竹(✋),于梦(mèng )(🙌)竹爱(🤸)上洪三。严华遇(💪)险(xiǎn ),为(wéi )共(🈴)产(🍄)党人梁兴义所(🔔)救,加入(rù )共产党(dǎng )(👺)。林依(🤳)依(yī )为报仇铤而走险,洪(🕯)三与其奔走(🈁)天(tiān )(❕)涯。林依依遇(yù )难(👊),洪三重回(huí )上海滩。在(zài )严华和梁(liáng )兴义(🤷)进步思(sī )想(🌼)的感召下(🐩),洪三放弃来之(zhī )不易(yì )的“美好生活”,为护送梁兴(xìng )义(👵)离开上(shàng )海倾其所有(🏴)甚(shèn )至生(shēng )命。洪三(sān )(👄)逐(zhú )渐懂得,共产党(dǎng )带领(⏳)的这(🚽)条(tiáo )(🎐)道路,才(cái )是(😳)他所想追求(qiú )的远(🐂)大前程。