BenRobinsonretracesthedramaticlastdaysofKingJohn,England'smostdisastrousmonarch,anduncoversthelegendofhislosttreasure.　　TendaystookKingJohnfromrulerofanempiretosuddendeath,andleftthekingdominruins.JohnisfamousforthecreationofMagnaCarta,whichinspiredourmoderndemocracy.　　BenfollowsinthefootstepsoftheKing'sepiclastjourney,fromthetreacherousmarshesofEastAnglia,throughLincolnshireandNottinghamshire,tohisfinalrestingplaceinWorcester.HeisjoinedbymedievalhistorianprofessorStephenChurch.　　Togethertheyexaminethetruthbehindthelegendthathaslivedonfor800years.DidthecrownjewelsreallyendupinthemudoftheWashWastheKingpoisonedDoeshedeservehisreputationasourmostdisastrousmonarch　　Thankstouniquedocuments,wecantellthisepictaleintheKing'sownwords.NotonlycanwegetintothemindoftheMagnaCartaKing,wecanrevealinfantasticdetailhowandwherehetravelled.　　BenrevealswhathappenedwhentreasureseekersattemptedtofindtheKing'slostjewelswiththehelpofadiviner.AndusingthelatesttechnologyrevealshowwecanactuallyseebackintimetorevealthelandscapeasitwouldhavelookedwhenKingJohnmadehislastjourney800yearsago.