ChandlerandMilesattendthelaunchofBuchan'sbookonmurdersinWhitechapelwheretheyarebaffledbycrypticremarksmadebyaneccentricoldladyLouiseIver.AtthesametimeelderlyvagrantAlexanderZukanovisluredtoahousewithstrangemarkingsonthewallwhereheispressedtodeath,givingthenameDorothyCadetohiskillerbeforehedies.MilesandChandlervisitZukanov'sdoss-houseandlearnthattheotheroccupantswerefrightenedofhimandregardedhimasawarlock.BuchanconfirmsthathewasamemberoftheBulgariansecretserviceandStellaKnightfromMI6nameshimashavingbeenaninterrogatorofformerBritishspyCrispinWingfield.WingfieldisquestionedbutreleasedthoughhetellsthepolicethatthemannerofZukanov'sdeathwasapunishmentforwitchesinthesixteenthcentury.MeanwhileDorothyCade,livingwithhersisterCecilia,isalsomurdered,burntatthestakelikeamedievalwitch.
