大清(🕕)雍正年间,重臣丧期竟有(yǒu )人(🏽)伺意(yì )寻(xún )欢,四(sì )阿哥弘(🕸)历(lì )(何晟铭 饰)来到风月场所宜春(chūn )山庄(🏴)查(🗼)访,发现吴文斌被人(rén )刺杀(shā )(🎏),珠宝失窃。弘历查(chá )处了(🕔)前来(lái )寻欢的(🗄)几名大(🕖)员,并暗中(✳)查访(fǎng )(🥄)刺(🛹)客,终(zhōng )于查(chá )明杀手是赛(🥞)貂(🗑)婵。赛(sài )原名宋田(tián )田(tián )((🐶)蒋(jiǎng )梦婕 饰),是(💞)淮阳盐帮帮(🧚)主宋知庸(吴岱融(róng ) 饰)的(❔)义女,她(tā )与吴文斌有(💻)不共戴天之仇,当年(🤠)吴抄斩(🙄)了她们全家,她(tā )因不(🈴)在家幸免于难。宋田田掉(⛳)入官(💠)府所(⛳)设陷(xiàn )(🤳)阱,弘历出手相救。陷(🕯)阱是弘时(李泰(tài ) 饰(shì ))所(🥊)设,雍正并不知情,他(tā )要(🏻)弘历一天内(👪)破案(àn )。证人陈六吃(chī )了苏公公(任学海(hǎi ) 饰)送的饺子(zǐ )气(qì )绝身(📛)亡(🔤),这一切都(🔷)没(👵)瞒过(guò )弘历的眼睛(🔞)。第二天(tiān )他(tā )向雍正(👄)汇报破案经过并提出(chū )自(⏳)己的观(guān )点,弘(👛)时(shí )趁机攻(gōng )击弘历,雍(yōng )正闻(wén )听弘历要(💅)让八叔(shū )进京,立刻(kè )口吐(🚩)鲜血(⛴)......