主人(🕕)公(gōng )(🍅)洪三(👷)携母亲和好友(🥇)齐林(lín )到上海(hǎi )投奔(bēn )严华(🕋),卷入两大(🔱)公(🕰)司权利斗争(🔧)。严华此时(🐉)是一名码头(tóu )(🏴)工人,他不(😧)畏强权(quán )被推(⏬)举为工人领袖。洪三则凭借机智(zhì )多(duō )(👑)次在凶险的上海滩(tān )化险为夷(🔲)。洪三与忠义之(🕌)士沈(shěn )(📞)达义结金兰,与来(lái )上海报父(🚑)仇的林(lín )依依在斗智斗勇(⏺)中(zhōng )成(🌙)为莫逆,女扮(bàn )男装的林(lín )依(yī )(😞)依爱上(shàng )洪(hóng )三。洪三接近(🥎)富家(jiā )女 于梦竹,于(🏂)梦竹爱上洪三。严华(huá )遇险,为共产党(⛏)人(rén )梁(liáng )兴义所救,加入共产(💠)党。林依依为报仇铤而走(zǒu )险,洪三与其奔走天涯(💝)。林依依(yī )遇(yù )难(👊),洪(💍)三重回上(shàng )海滩。在严华和梁(liáng )兴义进步思想(xiǎng )的感召下(xià ),洪三(sān )放弃(🙎)来(lái )之不易的“美好生活”,为(wéi )护(💏)送梁兴义离(lí )开(kāi )上海倾(qīng )其所有(🏴)甚至生命。洪三逐(🐖)渐懂(dǒng )得,共产(🚡)党(dǎng )(🌸)带领的这条(tiáo )道(🍁)路,才(🕕)是他所(suǒ )(🎦)想(📤)追求的远大前(🛃)程(⏺)。