简介：TheTARDISarrivesonEarthinthemiddleofameteoriteshowerandtheDoctorisfoundbyUNITtroopsandtakentoanearbyhospital.TheBrigadierisfacedwithhavingtocopenotonlywiththemysteriousmeteoritesbutalsowithRansome,anex-employeeofalocalplasticsfactory,whoclaimshehasseenawalkingmannequin. ThemeteoritesturnouttobehollowglobescontainingtheNesteneconsciousness,adisembodiedalienintelligencewithanaffinityforplastic.ANesteneagent,Channing,hasinfiltratedtheplasticsfactoryandisusingenergyfromtheglobestoanimateAutons-mannequin-likefiguresandrealisticreplicasofseniorestablishmentfigures-withtheaimofcolonisingtheEarth. Aidedbynewly-recruitedUNITscientistDrElizabethShaw,theDoctorthwartsthisschemebyrepellingtheNesteneconsciousnessintospaceandtherebyneutralisingtheAutonsandthemonstroustentacledformthatithasbeencreatingforitselfinatankwithinthefactory.Channing,revealedtobenomorethanasophisticatedAuton,islikewisedeactivated.…