1927年(nián )4.12事(🐽)变(biàn )至1932年1.28淞沪抗时期,上海滩小(🔧)人(🎗)物顾星为追(zhuī )求(qiú )记者(🔬)夏若宁,挤进了法租界(jiè )巡(xún )捕房成为捕(🏇)快,意(yì )图出人头地,俘获夏若宁的芳心(xīn ),却(🙍)意外(✳)卷入了上海反革命势(🛺)力和(🎿)日本间谍组(zǔ )(🍮)织的案件中,他另辟(🕕)蹊径巧破悬案,掩(🚢)护共产(chǎn )党(dǎng )人祝(zhù )学(🌚)儒(rú )躲过迫害,而此(cǐ )时夏若宁却(🌊)因(yīn )他(🥎)意外消失。彷徨之际顾(gù )星也(yě )被绑架,原来(lái )(🙉)是国民(🎾)党(dǎng )调查科误招(🤷)其进行(háng )侦察(chá )培训(xùn )(⛳),后被安(⛳)插入东北军阀高层(🚴),在祝学儒(rú )义女唐不语的帮(bāng )助(💔)下,他(tā )借力(🛎)打(💍)力揭露(lù )日本分裂阴(🐛)谋,促(cù )使(👪)东北军阀易帜,确保国(guó )家统一。而(🙎)此时(shí )夏若宁(🤔)却意(yì )外(wài )(😙)现身,顾(🔤)星一番艰难(🔷)求索,发现(xiàn )惊人秘密(🏴)。最(zuì )后在祝学(xué )儒,唐不语的影(🔥)响下(🌸),顾星(🏓)明确信仰,主(zhǔ )动(dòng )(😳)要求加入(🚻)共(🍺)产党,在(zài ) 1.28上海保卫战中(🎴)大显身手。