大清雍正年间(🔨),重臣丧期(qī )竟(📼)有人伺意寻欢,四(🕋)阿哥(🕟)弘历(何晟铭 饰(shì ))来到风(fēng )月(yuè )场所(suǒ )宜春山(shān )(🔬)庄查访,发(fā )(💤)现吴文斌被人刺杀,珠宝失(shī )窃。弘历查(chá )处了前来寻欢(huān )的几名大员,并暗中查访刺客,终于查明杀手(🎿)是(🎫)赛貂婵。赛(sài )原名(😻)宋田田(tián )(蒋梦(🕕)婕(🤯) 饰),是淮阳(🚢)盐帮帮主宋(sòng )知庸((📯)吴岱融 饰)的(❔)义女,她(🎛)与(🌊)吴文斌有(💻)不(bú )共戴天之(✋)仇(chóu ),当年吴抄斩了她们全家,她因不(bú )在家幸免于(👃)难。宋(sòng )田田(🕙)掉入官(guān )府所(⛳)设陷阱,弘历出手相救。陷阱是弘时(李泰 饰)所(suǒ )设,雍正(zhèng )并(🚗)不知情,他(tā )要(🏻)弘历(lì )一天内破案(🤷)。证人陈(chén )六(liù )吃了苏(sū )公公(任(rèn )学海 饰)(🈺)送的饺(🔍)子气绝身亡(wáng )(🔤),这一切都(🔷)没瞒(♌)过(guò )(💸)弘(hóng )历(🐞)的眼(yǎn )(🏃)睛。第二天(🔎)他(tā )向雍正(zhèng )汇报破案(🔫)经(💣)过并提出自(zì )己(🏓)的观点,弘(👛)时趁(😳)机攻(🎦)击(📤)弘(hóng )历,雍正(zhèng )闻听(tīng )弘历要让八(❓)叔进京,立(lì )刻口吐鲜血......