大清雍正年(👷)间，重臣丧(sàng )期竟有人(rén )(🏽)伺(sì )意(yì )(🍩)寻欢，四阿哥弘历（何晟铭 饰）来到风(fēng )月场(chǎng )(🐉)所宜(🌰)春山庄查(chá )访，发(fā )现吴文(📿)斌(🌫)被人刺杀，珠宝(🏇)失(shī )窃(📼)。弘历查(⚫)处了前来寻欢的几名大员，并(🙍)暗中查(chá )访刺客，终于(yú )查明杀(shā )手是赛(🥞)貂婵。赛原名宋(🚸)田田（蒋梦婕 饰），是(💞)淮阳盐(🌙)帮帮主宋(🔩)知庸（(📯)吴(wú )(🚨)岱融 饰）的义(💱)女(nǚ )，她与吴(wú )文斌有不共戴天之(zhī )仇，当(🙌)年(nián )吴抄斩(zhǎn )了(le )她们全(🙉)家，她因(yīn )不在家幸免于难。宋(sòng )田(tián )田掉入官(guān )府所(suǒ )设陷阱，弘历出手(🚴)相救。陷(🕯)阱(🌮)是弘(hóng )时（李泰 饰(💔)）所设，雍正并不(bú )知情，他(tā )要(🏻)弘(hóng )历一天内破案。证人(rén )陈六吃了苏(🐩)公公(gōng )(😝)（任学海 饰）(🈺)送的饺(jiǎo )子气(qì )绝身亡，这一(📸)切都没瞒过弘历(lì )的(🍽)眼睛。第(🚲)二天他向雍正(👄)汇报破案(àn )(🔫)经过并提出自己的(🚽)观点(🍁)，弘时趁机攻击弘历(lì )(🍺)，雍正闻听弘历要(yào )让(ràng )(🤼)八叔进京，立(🎴)刻(kè )口吐鲜(🍹)血(⛴)......