主人公洪三携母(mǔ )亲和好(hǎo )友齐(📼)林(📒)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(míng )码头(🏴)工人,他不畏强权(🌫)被推举为(🎏)工(gōng )人领袖。洪(hóng )(😎)三则(zé )(🖲)凭(⚫)借机智多(duō )次在凶险(🛍)的上(shàng )海滩化(huà )险为(✳)夷。洪三与(🏐)忠义之士沈(shěn )达义(yì )结金兰,与(✖)来上海报父仇的林(🕕)依依在斗智斗(dòu )勇中成为莫逆,女扮男装(zhuāng )的林依依爱上洪三(sān )。洪(hóng )三接(㊗)近(🥎)富家(💻)女(nǚ ) 于梦竹,于梦竹爱上(shàng )洪三。严华遇(💪)险(xiǎn ),为(wéi )共产党人梁(🤷)兴(xìng )义所救(🚻),加入共产(💠)党。林依(🤳)依为报仇铤而走(🧣)险,洪三与其奔走天(❕)涯。林依(🏉)依(yī )遇难,洪三重回上海滩。在严华和(hé )梁兴义(yì )进步思(sī )想(xiǎng )(🌼)的(de )(🚶)感召下,洪三(sān )(🔈)放弃来之不(🐡)易的“美(měi )好(hǎo )生(🤥)活”,为护送(sòng )梁兴义离(lí )开上(shàng )海(🐞)倾(🍽)其所有甚至(zhì )生命(🌂)。洪三(sān )(👄)逐渐懂得,共产党带领(⏳)的(de )这条(tiáo )道路,才是他所想追求(qiú )的(de )远大(dà )前(🛃)程。