主(zhǔ )人公(gōng )(🍅)洪三携(xié )母亲和(hé )好(🐽)友齐林到(dào )上海投奔严华(🕋),卷入两(🛍)大(dà )公司(sī )权利(lì )斗争。严华此(cǐ )时是一(🌰)名(🍖)码(mǎ )头工人(rén ),他不畏强权(quán )被推(⏬)举为工人领袖(♑)。洪三则(🖲)凭(⚫)借(jiè )机智多(duō )次在凶险的上(shàng )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(fù )仇(🐶)的林依依在斗(dòu )智斗(dòu )勇中成(🌙)为莫(🧚)逆(🚣),女扮男装(zhuāng )的(🛑)林依(😞)依爱上(shàng )洪三。洪三接(㊗)近(🥎)富家女 于梦竹,于梦竹爱上洪三。严(yán )华遇险(⛓),为共产党人梁兴义所(suǒ )救,加入共产党。林依(yī )依(yī )为(🥕)报仇铤(dìng )而走险,洪三(🌮)与(👣)其(🗳)奔(🤘)走天涯。林依依遇难,洪三重回上海(🈸)滩。在(🐛)严华和梁兴义(🤷)进步思(💅)想(xiǎng )的感召下,洪(hóng )三(sān )放弃来(lái )之不易(🈺)的“美(měi )好生活”,为护送梁兴义(yì )离开(kāi )上海倾其所(🔞)有甚至(📐)生(shēng )命。洪三逐(🐖)渐懂(dǒng )得(🔫),共产党带领的这条道(dào )路,才是(shì )他所(🎦)想(📤)追求(qiú )的远大(dà )(👚)前程。