Paradise Towers two elderly residents ("rezzies") live. Tilda and Tabby explain that all the able-bodied men left the Towers to fight a war, leaving behind only children and the elderly. The only other man still loose in the Towers is Pex, a would-be hero, who appoints himself Mel's guardian. At the Caretaker control centre, the Doctor meets the Chief Caretaker, who greets him as the Great Architect, designer of Paradise Towers, and then promptly calls for him to be killed The Doctor cites an imaginary rule from the Caretakers' manual, confusing them enough to make his escape. Mel and Pex meanwhile have
The Savages (Doctor Who) them and returning them to the city. The Elders are only able to maintain the energy needed to run their civilisation by draining the life force of the helpless savages. The Doctor, appalled, tries to stop the Elders and persuade them of the wrong they are doing by building a civilisation on such immoral grounds. Jano’s response is to have the Doctor himself subjected to the energy transfer process. The Doctor is put into the transfer device and his life force is channelled into the Elder Jano, who desires his intelligence. Yet the plan backfires when the Doctor's personality takes