《贵族侦探》是富士电视台2017年春季月九档播出的推理剧,由中江功、金井纮、相泽秀幸导演,黑岩勉编剧,相叶雅纪主演,于2017年4月17日首播。 该剧改编自麻耶雄嵩的推理小说《贵族侦探》及其续作《贵族侦探对女侦探》,讲述了年龄、身世、住所、本名都完全是谜的青年号称“贵族侦探”,却对推理这种“杂事”毫无兴趣,让身边的女佣、司机和管家代替自己推理破案的故事。 相叶雅纪饰演年龄、家庭、学历、住所、甚至连名字都成谜、自封“贵族侦探”的青年,武井咲饰新人侦探,井川遥饰被她视为师傅的侦探,生濑胜久饰刑警,中山美穗饰女仆,泷藤贤一饰司机,松重丰饰执事,仲间由纪惠饰谜之人物。A man identifies himself as "Kizoku" ("Aristocrat") and works as a private detective for a hobby. Nobody knows his age, address or anything about his family. The actual deductions and investigations are carried out by his employees including his butler, maid, and chauffeur. He only has a good time talking to the women involved in the cases. Meanwhile, Takatoku Aika works as a private detective. She competes with the Aristocrat Detective to solve cases.