民国(👷)初年(nián )(🆓)，徐(✒)警(🐽)长（张(zhāng )(📒)国(🏽)强(🐌) 饰）因(yīn )(🃏)一(🕋)桩(zhuāng )案(àn )(🕟)件(🕸)与洋(yáng )行(háng )的景(🤴)氏（蒋(jiǎng )(🔧)志(🎗)光(guāng )(🎹) 饰(shì )(🥈)）结下(🌰)不(bú )(🍖)解(🔬)之缘(yuán )，并(🥩)各获(huò )赠一(📿)幅(fú )油(yóu )(👋)画(huà )用(yòng )(🎲)作(🎏)纪(jì )念(🌗)当(🏇)日(rì )破(pò )案(😎)有功。多年(🕔)后(hòu )(🔸)徐(xú )(👑)警(jǐng )长(zhǎng )(🤷)的后(hòu )(🛍)人依(yī )(🕖)旧(jiù )以投(tóu )(🙍)身(shēn )警(jǐng )(✳)界(jiè )(🔲)为(🥄)荣，人(rén )称(🚥)犀(xī )(🐖)利(lì )(🕌)妹(mèi )的(📞)徐(xú )小(xiǎo )丽(lì )（杨(😚)怡 饰(shì )）(😻)便(🚸)是(shì )警队(duì )的一名(míng )干(😱)将(jiāng )。加(jiā )入重案(🚢)组(🌙)之后(🧚)的(de )徐小(xiǎo )(🥁)丽(lì )(🌚)跟(📯)随上司卢(lú )天(tiān )(🖲)恒(héng )(🔢)（(❔)马(mǎ )国(guó )(🦗)明(🌑) 饰(shì )）(㊗)侦(🥎)破(pò )一(yī )件又一(yī )(📙)件(jiàn )(🔝) 棘手(🏂)的(de )案(🤠)件，从(🙄)旁(páng )一(👓)直用(🙉)专业物(wù )理(⏰)学知(🍄)识(shí )辅(fǔ )(🥫)佐(zuǒ )他(tā )们(men )的(de )是(🚻)卢(🤲)天(🕙)恒(héng )(⛳)的校(💠)友(yǒu )(👺)，同(🏯)时(shí )(🤳)也(yě )(🎋)是(🥕)大(🕐)学(🐀)的(de )(🧟)副教授(shòu )、(⚾)景(jǐng )氏(🌮)后(hòu )(👣)人景(jǐng )(🤘)博(🈁)（林(lín )峰 饰(🏉)）。 　(💍)　(🚗)出(chū )生寒(😊)微(wēi )(🈸)的(➡)徐小丽(lì )(🌹)对(duì )景(jǐng )博(👪)的佩(pèi )(🤷)服(🃏)逐渐变(biàn )(🌼)成(chéng )爱(ài )慕(mù )，景(💯)博也对(🏒)关(🙎)心(xīn )照(zhào )顾(🐡)自(zì )己(🤔)的(de )(📧)徐小(xiǎo )丽(lì )(🤥)日(rì )(⏲)渐(jiàn )(📛)倾(qīng )心。但(dàn )因(🥤)两(liǎng )家家(jiā )(♌)世(shì )悬(xuán )(🥅)殊(shū )，父(🏃)母(mǔ )(🔞)的阻(zǔ )(🚲)拦(📐)让(ràng )(🔎)景(🌂)博(bó )(🔙)决(jué )(🌱)定(dìng )放(🐖)弃(qì )这一(yī )段(💣)感(gǎn )(🔥)情。另一边(biān )(🏓)，花(huā )花(huā )公(gōng )子(👛)卢(lú )(🕕)天(tiān )恒(héng )与(yǔ )(🎦)密(📤)友(yǒu )敏(mǐn )(🍺)嘉(jiā )(🔪)（(🐂)廖碧儿 饰）(💅)一(yī )直(zhí )(❓)维(📬)持(chí )着亦(💑)是(shì )(🎴)朋(péng )(😉)友(🚤)亦(yì )(🚩)是(shì )(🍹)恋人(rén )(🏸)的(de )暧(ài )(💁)昧关(guān )(⏺)系(🧥)。却不(bú )(🈳)料(🐈)敏(mǐn )嘉(🍯)突然(rán )(🌲)有(yǒu )(💕)了爱(ài )人(rén )(🐌)，并(🖱)想(xiǎng )与(yǔ )(👼)之结婚(hūn )(⛅)。令(lìng )人(rén )(💨)焦(jiāo )(🈸)灼(zhuó )的(🛃)案件(jiàn )层出(chū )(🎞)不(bú )(🚓)穷(qióng )，这(♊)两(liǎng )(👆)对(duì )年轻人(🗒)的(🏆)爱情(🌒)又(yòu )(🎁)将如(rú )何(🏖)继续……(🕌)