主(🈯)人公(🍅)洪三携母亲(⛲)和(hé )好友齐林到(dào )(🏽)上海投奔严华,卷入(rù )两大公(🕰)司(🤢)权利(lì )(🍥)斗争。严华此时是(shì )一名(🍖)码头工(gōng )人,他不畏强权被推举为工人领(🏇)袖。洪三则凭借机(jī )(🕔)智多(duō )(👑)次在凶(🗄)险的(🎡)上(🕖)海滩化险为夷(🔲)。洪三与忠(zhōng )义(yì )之士沈达义结金兰,与(✖)来(🙁)上海报父(🚑)仇的(de )(🥀)林依依(😱)在斗(🤷)智斗勇中(🚢)成为莫逆,女扮(bàn )男(nán )(📯)装(zhuāng )的林依依爱上洪三。洪(hóng )三接近富家女(nǚ ) 于(yú )(📙)梦竹,于(yú )梦(mèng )竹爱上洪三(sān )。严华(huá )遇(yù )险,为共产党人(rén )(🥫)梁兴(👃)义所救(jiù ),加入(rù )共产党(dǎng )。林(🏯)依依(yī )为报仇铤而走险(xiǎn ),洪三(sān )(🌮)与其(🗳)奔走天涯。林依依遇(yù )难(👊),洪三重(chóng )回(🦇)上海(🈸)滩。在(🐛)严华和梁兴义进步思想的感召下,洪三放(fàng )弃(qì )来之不易(yì )的“美好生活”,为护送梁兴义(yì )(👵)离开上(shàng )(🥅)海(🐞)倾其所有(yǒu )(🏴)甚至生命。洪三逐渐(jiàn )懂得,共产党带领的这(🚽)条道路(🔲),才是他(tā )所想追求(qiú )的(de )远大(dà )前程。