简介：TheDoctor'spastincarnationsaretakenoutoftimebyaforbiddentimescoopdevice.ThefourthDoctorbecomestrappedinthevortexbuttheothersfindthemselves,togetherwithanumberoftheiroldcompanions,withthefifthDoctorandhiscompanionsintheDeathZoneontheirhomeplanetGallifrey. HeretheyfaceaDalek,aYeti,aquicksilverRastonWarriorRobotandnumerousCybermen.AlsopresentistheMaster,whohasbeensummonedbytheHighCouncilofTimeLordstohelptheDoctor.ItturnsoutthatPresidentBorusaisthemysteriousoperatorofthetimescoop.HeaimstousetheDoctorstobreachthedefencesoftheDarkTower-Rassilon'stomb-sothathecanenterthereandclaimimmortality. Whenhedoesso,however,heiscondemnedbyRassilontoeternalexistenceintheformofalivingstatue.…