费(🈯)仁（周嘉(👷)洛饰(shì )）与(yǔ )义妹高(gāo )强（王灏儿(ér )饰）为工(gōng )钱当上鲁仁县衙门捕快，新任捕长黄佘（曹永廉饰）派遣费(🎾)仁深入三不(bú )管(🎏)地(dì )带(dài )壹将宫城(😎)，寻(xún )觅失(shī )(🐿)联细作。般隆(🗄)门话(huà )事(🕖)人(🕯)般斗（(💆)韦家雄(xióng )(🥄)饰）手下慕容(🕌)恭(gōng )梓(📞)（朱敏瀚饰(😚)）误(✖)打误撞(zhuàng )，将费仁带入(rù )壹将(jiāng )宫城(chéng )(🔊)。城(⏺)內表面一片繁(🔩)华，四大门派却暗里争斗(💱)。已故(🎛)门主曾承诺(💻)谁(shuí )(🗞)能拔出宝(bǎo )剑，徐意(🤠)门大(dà )家姐(jiě )符玲(líng )（陈(💪)滢饰(🎾)）就嫁谁；费仁与(yǔ )恭梓糊里糊涂一同把(bǎ )宝剑拔(🎋)出，成为(🧟)两大候选(⚾)姑爷！四派互相(xiàng )搞局，幕后(hòu )(🥊)主脑阴谋不绝，细作身分(fèn )谜团重重，费(🥋)仁要(yào )做候选姑爷(yé )(💹)，衙门细作亦(yì )(🏒)要(yào )继续(xù )寻找(zhǎo )，祸(📧)福难料……