The Doctor and Mel visit Paradise Towers, a apartment complex in the 21st century, only to find it rat-infested and ruined. Paradise Towers is inhabited by Rezzies (elderly women, at least some of whom are cannibals), Kangs (roving gangs of teenage girls), Pex (a cowardly young warrior who proclaims himself the local hero) and Caretakers led by a Chief whose job is to keep the apartment complex in