简介：TheTARDIStravellerslandonamovingspaceshipandfindthecrewapparentlydead.However,oneofthecrewmembers,CaptainMaitland,regainsconsciousnessandIanChestertonfullyreviveshimandanotherwoman,CarolRichmond.ThesetwotellthetravellersthattheyareonanexplorationmissionfromEarthandareorbitingSense-Sphere.However,itsinhabitants,theSensorites,refusetoletthemleavetheorbit.TheSensoritesvisitandstopthetravellersfromleaving,whilesendingthemonacollisioncourse,whichtheDoctordiverts.ThetravellersthenmeetJohn(whosemindhasbeenbrokenbytheSensorites)andfindoutthatheisCarol'sfiancé. Returningtoplaguethecrew,theSensoritesfreezeCarolandMaitlandoncemore.TheDoctorbreaksMaitland'smentalconditioning,butcannothelpJohn.Susan'stelepathicmindisfloodedwiththemanyvoicesoftheSensoriteswhoremainscaredofthehumansandaretryingtocommunicatewithher.Meanwhile,TheDoctorworksoutthattheSensoritesattackedthehumancraftbecauseJohn,amineralogist,haddiscoveredavastsupplyofmolybdenumonSense-Sphere.SusanreportsthattheSensoriteswanttomakecontactwithtravellers,askingthecrewtogoaboardSense-sphereandrevealthatapreviousEarthexpeditioncausedthemgreatmisery.TheDoctorrefusesbutSusan,underduress,agreesanddeparts. TheDoctordeducesthattheSensoritesneedplentyoflight,soIanreducesthelightingontheship,inabidtorescueSusan.Asaresult,Susanreturnstothespacecraft.TheDoctorthenaskstheSensoritestoreturnhislockandisinvitedtogotoSense-Spheretospeakwiththeleader.Susan,Ian,CarolandJohnjoinhimwhileBarbaraandMaitlandstaybehind.Johnispromisedthathisconditionwillbereversed.OntheirjourneytoSense-Sphere,thepartylearnthatthepreviousvisitorsfromEarthexploitedSense-Sphereforitswealth,thenargued.Halfofthemstolethespacecraft,whichexplodedontake-off. TheSensoriteCouncilisdividedovertheissueofinvitingthepartytoSense-Sphere:someofthecouncillorsplottokillthemonarrival,butsomebelievethatthehumanscanhelpwiththediseasethatiscurrentlykillingmanySensorites.TheirfirstplotisfoiledbytheotherSensorites,buttheycontinuetoplotinsecret.Thehumansarenottoldofthefirstplot,andJohnandCarolarecured.Inthemainconferenceroom,Ianstartscoughingviolentlyandcollapses.SufferingfromthediseasethathasblightedtheSensorites,heistoldthathewillsoondie. Itturnsoutthathewasactuallypoisonedbydrinkingwaterfromthegeneralaqueduct.TheDoctorfindstheproblematicaqueductandstartsworkwiththeSensoritescientists.TheplottingSensoritescaptureandthenimpersonateaSensoriteleader,theSecondElderandstealthenewcure,beforeitisgiventoIan,butanewoneismadeeasilyandIaniscured. Meanwhile,investigatingtheaqueduct,theDoctorfindsstrangenoisesanddarkness.Hefindsandremovesdeadlynightshade(thecauseofthepoisoning),butongoingback,meetsanunseenmonster.SusanandIanfindhimunconsciouswitharippedcoat,butotherwiseunharmed.Onbeingrecovered,hetellsofhissuspicionthatsomeSensoritesareplottingtokillthem.TheplottingSensoriteskilltheSecondElderandoneofthemreplaceshiminhisposition. Johntellstheothersthatheknowstheleadplotter,butheisnowtoopowerful,soTheDoctorandCarolgodowntotheaqueducttofindthepoisoners.Theirweaponsandmapweretamperedwithandareuseless. Elsewhere,amysteriousassailantabductsCarolandforceshertowritesayingshehasleftfortheship.NeitherSusan,JohnorBarbarabelievethissotheygotoinvestigateandfindherimprisoned.Susan,JohnandBarbaraoverpowertheguardandreleaseCarol.Onfindingoutaboutthetamperedtools,theygointotheaqueducttorescuetheDoctorandIan.Theleaderdiscoverstheplottersalittlewhilelater. IanandtheDoctordiscoverthatthemonsterswereactuallythesurvivorsofthepreviousEarthmission,andtheyhadbeenpoisoningtheSensorites.TheirderangedCommanderleadsthemtothesurface,wheretheyarearrestedbytheSensorites.TheDoctorandhispartyreturntothecity,pleadingclemencyforthepoisoners.TheleaderoftheSensoritesagreesandsendsthembackwithMaitland,JohnandCaroltoEarth,fortreatmentformadness. 维基百科：http://en.wikipedia.org/wiki/The_Sensorites…