It's amazing where you can roam at the foot of an escalator. William, free to think at the bottom of his, is about to embark on the shocking finale to his mysterious search. There's much else to ponder, too. There's his love for the barbed Cas. And who's the woman he meets every week claiming to be his daughter? There's the past he pictures of flying, TV, spiritual and sporting glory. But how does the ordinary life he remembers at the steelworks...