费(fèi )仁(rén )（(🔨)周嘉洛(✒)饰）(🥇)与义妹高强（王灏儿饰）为(wéi )工(gōng )钱当(🕰)上(shàng )鲁仁县(🎺)衙门捕快，新任(🛤)捕长(🍖)黄佘（曹永廉饰）(🎾)派遣(qiǎn )费(👋)仁深(shēn )入三不管(🏇)地(♑)带壹(😎)将宫城，寻觅失联细作。般隆门话事(🙍)人般斗（(🥄)韦(wéi )家(jiā )雄(xióng )饰(shì )(🚥)）手下慕容(róng )恭梓（朱(zhū )敏(🍮)瀚饰）误打误撞，将费(🤯)仁带入(rù )壹将宫城。城內(🧚)表(biǎo )面一片繁华，四(sì )大门派却暗里(lǐ )争(zhēng )斗(🎛)。已(yǐ )(㊗)故门主曾承诺(nuò )谁能拔出宝剑(jiàn )，徐意门大家姐符(fú )玲（陈(⏰)滢(🈴)饰）就嫁谁；费仁与(yǔ )(🤲)恭梓糊里糊涂(tú )一(yī )同把宝(🥕)剑拔(🐀)出，成为两(⚾)大(dà )候(hòu )(🌮)选(xuǎn )姑爷！四派(💝)互相搞局，幕后主(zhǔ )脑(🚗)阴谋(móu )不(bú )(😊)绝，细(xì )作身(🌹)分谜团重重，费仁要(🌼)做候选(xuǎn )姑爷，衙门细作亦(yì )要(🐡)继续寻找，祸福难料……