JadeddetectiveJohnVerneyisonthetrailofanancientcultofPlagueDoctorswhichiscuttingabloodyswathethroughtheLondonunderworld.Dismissedbyhissuperiorsasgangongangkillings,themurdersdrawVerneyintoanobsessivemazeofasecretsocietyconspiracywithlinkstotheJackTheRippermurdersof1888,puttinghimandhisfamilyingravedanger.Aboveis..ddd
