ChenJinsheng,astudentmajoringinwesternmedicineduringtheperiodoftheRepublicofChina,helpshisseniorMasterLengtorunFumoDetectiveOffice,aprivatedetectiveagency.LiuYidao,theaceheadsmaninthepastQingDynasty,hashisfamilymembersmurderedbyhisdiscipleNiuEr.ChenJinshengandMasterLengtriedtoinvestigatethecasethroughallkindsoftraces.However,moremysteriousmurdersarefollowed,suchasthebillionaireTianBuhuaninthenortherncity,thefooddealerFanBuzhaointhesoutherncity,theLiangswithahighpositionintheimperialcourtofthepastQingDynasty,andmanyothers.Ghostmarkets?Prisons?Geomancy?TheFiveElements?Whoisbehindit?Revengefulmurders?Rivalsinlove?Love-philters?Venomouspoisons?Whoisbehindeverything?