大清雍正年间,重臣(✒)丧(🐽)期竟有人(rén )伺意寻欢(huān ),四(sì )阿哥弘历(何晟铭 饰(🎺))来(🎗)到(dào )(🎹)风月(🥈)场所(suǒ )宜春山庄查访,发(💤)现(😧)吴文斌被人刺杀,珠宝失(shī )(♑)窃。弘(🚤)历查处了(le )前来寻欢的几名大(🕖)员,并暗(💆)中查访刺客,终于查明杀手是(shì )赛貂(diāo )婵。赛(sài )原名宋田(tián )(🖍)田(蒋(jiǎng )梦(mèng )婕(🤯) 饰(🐖)),是淮阳盐帮帮主(🚣)宋(🔩)知庸(吴(🚨)岱(🛑)融 饰(shì ))的义(💱)女,她与(🌊)吴文斌有不共(gòng )戴天之仇(🐑),当年吴抄(chāo )斩了她们(🙀)全家,她因不在家幸免于难(🧤)。宋(sòng )田田掉入官府所(⛳)设陷阱(jǐng ),弘历(🐀)出(🧟)手相救。陷阱(jǐng )是弘时(李泰 饰)所设(🍑),雍正并(🚗)不(bú )知情,他要(yào )弘(hóng )历一(yī )天(tiān )内(👪)破案(àn )。证人(rén )陈六吃了(📟)苏公(gōng )公(任学(xué )海 饰)(🈺)送的(📧)饺子气(🤥)绝身亡(🔤),这一切都没瞒过(guò )弘(hóng )历的眼睛(jīng )。第二天他向(xiàng )雍正(zhèng )汇报(🆙)破(pò )案经(jīng )过并提(tí )出自己的观(🎐)点,弘(hóng )时趁(chèn )机(jī )攻(gōng )击弘历,雍正闻听弘(👩)历(🧘)要让八叔(shū )(📬)进京,立(🎴)刻口吐鲜血......