主人(🕕)公(gōng )洪(🌠)三携(xié )母(mǔ )(🆓)亲和好友(yǒu )齐林(lín )到(dào )上海投奔(🌰)严华,卷(🕟)入两大(🔱)公(🕰)司(sī )(🤢)权利斗争。严华此时是(shì )一(yī )名码头工人(rén ),他不畏强(qiáng )(📿)权被推举为工人(rén )领袖。洪三则凭借(jiè )(🐿)机智多次在凶险(🛍)的上海(🕯)滩化(huà )险(xiǎn )为夷。洪三(sān )与(🏐)忠义(🐖)之(zhī )士(🛺)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(🚣),女扮男装的林(⏯)依依爱上洪三。洪(🎛)三(sān )接(jiē )近(jìn )(🥎)富家女 于梦竹(✋),于梦竹爱上洪三。严华(huá )遇(💪)险(xiǎn ),为共产(chǎn )(🍄)党人梁兴义所(🔔)救,加入(⛳)共产党(dǎng )。林依依为报仇(🐀)铤而走险,洪(hóng )三(🌮)与其奔走天(tiān )(❕)涯。林依依(yī )遇(🍑)难,洪三重回上(😊)海滩。在(zài )严(yán )华和梁兴义进步思想的(de )感召(zhào )下,洪三放(fàng )弃来(💿)之不易的(🤔)“美好生(shēng )(🤥)活”,为护送(sòng )梁兴义离开上海(hǎi )(🐞)倾其所有甚(🚲)至生命。洪(🌱)三逐渐(jiàn )懂得,共产(🚡)党带(dài )领的(de )这条道路,才是(shì )他所(suǒ )想(xiǎng )追(🚻)求的远大前程。