神秘博士：阿兹特克人  

TheTARDIScrewarriveinMexicointhe15thCentury.WiththeTARDIStrappedinatomb,BarbaraismistakenforafemalereincarnationoftheancienthighpriestYetaxa,andassumesherguiseandidentity.Fromhernewpositionofpower,Barbaraseesherchancetobringanendtohumansacrifice.SheseesthegoodsideofAztecculturemanifestedinAutloc,theHighPriestofKnowledge,andthegruesomesideembodiedin'thelocalbutcher',theHighPriestofSacrifice,Tlotoxl.Assomewhatofanexpertonthisperiod,sheseeshowadvancedtheirculturereallyisandbelievesthatifsacrificewereabolished,theywouldbespareddestructionatthehandsoftheSpanish.TheDoctor'surgentwarningsthatBarbaracannotchangehistoryfallondeafears,muchtotheDoctor'sfury.　　ThebloodthirstyTlotoxlbeginstosuspectBarbaraisnotYetaxareturned,especiallybecausesheistryingtobanhumansacrifice.Hesetsaseriesofelaboratetrapsforherandhercompanions.Forexample,Ianhasbeencompelledintothemilitaryandfightsthestrongestwarrior,Ixta,toprovehisabilitytocommandtheAztecforces.ThusIxtadevelopsagrudgeagainstIanandisusedbyTlotoxltotrytoprovethatBarbaraisnotYetaxa.TheDoctorunwittinglytellsIxtahowtodefeatIanincombatusingadruggingagent,andthisbattlenearlyendsintheDoctorwitnessinghisfriend'sdeath.Whenthisfailstobeconclusive,TlotoxlconvincesthesubordinatepriestTonilatomakeapoisonforBarbara;thedeathofBarbarafollowingconsumptionofthepoisonwouldprovesheisnotimmortalandthereforenotagod.ButIansilentlywarnsherfromhishidingplace,andBarbararefusestodrinkthepoison.ShetellsTlotoxlthatsheisnotYetaxabutwarnshimnottotellthepeople.Henowknowsthetruth-butmustfindawaytounmaskthefalsegoddess.　　SusanandtheDoctorhavemeanwhilebothbecomeinvolvedinmarriage-makingscenarios.SusanhastransgressedAzteclawbyrefusingtomarrythePerfectVictim,whohasbeenscheduledforsacrificebyTlotoxlonthedayofthenexteclipse;whiletheDoctor,whoknowslittleofAzteccustoms,hasbecomeaccidentallyengagedtoanAztecwomannamedCamecaaftertheysharedacupofcocoa.CamecaisakindladyandhelpstheDoctorandIanfindawaytore-enterthetombbyasecretentrance,despiterealizingthatthiswillenableherbelovedtoleaveher.Ianbravesatreacheroustunnelinwhichheisalmostdrownedtore-enterthetombbyasecretdoorandsoontellshisfriendsthattheycanflee.　　DespitehereffortsBarbararealizesthatshecannotchangeanentireculture,althoughshedoessucceedinchangingtheviewsofoneman;theHigh-PriestofKnowledge,Autloc.ButthiscomesatahighpricetoAutloc,whoexileshimself.Hehelpshertoreunitewithherfriendsbeforedepartingtomeditateinthedesertonwhatremainsofhisfaith.Inapitchedbattletogainaccesstothetombdoor,IankillsIxtainafighttothedeath,asshowninthepicture,toprotecttheTARDIScrew.　　TheDoctorandhiscompanionsleaveknowingthatdespitetheirintervention,historywilltakeitspre-destinedcourse.AstheydepartTlotoxlisverymuchincontrolandsacrificesthePerfectVictimtoendthenaturallyoccurringeclipse.TheDoctorcomfortsBarbarabytellinghershedidhelpAutlocfindabetterbeliefsystem;andthenbeforetheydeparthere-pocketsabroochgiventohimasapartinggiftbyCameca.　　维基百科：http://en.wikipedia.org/wiki/The_Aztecs_(Doctor_Who)