费(🔔)仁（(🤲)周嘉洛(luò )饰）与义妹高强(qiáng )（王灏儿饰(🧣)）为工钱当上鲁仁县衙门捕(💔)快，新任捕长(zhǎng )黄佘（曹永廉(➡)饰）派遣费仁深(shēn )入三不(bú )管地(dì )带壹将宫(gōng )城，寻觅(🏒)失联细作。般隆(📧)门话(😙)事(shì )人般斗（韦家雄饰(shì )）手下慕(mù )容(🐞)恭(🍽)梓（朱敏瀚(📐)饰）误(wù )(🔙)打(dǎ )误撞，将费仁(💣)带(dài )入(rù )(🚡)壹(yī )将(jiāng )(📞)宫城。城內表(🔲)面一(🕕)片繁华，四(sì )大门派却暗里争斗。已故门主(✖)曾承(💑)诺谁能(🚤)拔出宝(bǎo )剑(🏸)，徐(💁)意(🈺)门大家姐符玲（(🔬)陈滢饰）(💕)就嫁谁；费仁(rén )与恭梓(zǐ )糊(hú )里(lǐ )糊(✒)涂一(🈸)同把宝剑拔出，成为两大候选姑爷(🗒)！四派互相搞局，幕后主脑阴(yīn )谋不绝，细作身分谜团(♈)重重(🍗)，费仁要(yào )(🖥)做候选姑爷，衙(yá )门细作亦要继续寻(🎇)找，祸福难(nán )料(🍂)……