LIBIA and Paco have shown Laney to a barbershop in Sai Shing Road. He has arrived here, of course, with no knowledge of the route involved; Sai Shing is in the Walled City, and he is a visitor, not a resident. The Walled City's whereabouts, the conceptual mechanisms by which its citizens have opted to secede from the human datascape at large are the place's central and most closely held secret. The Walled City is a universe unto itself, a subversive rumor, the stuff of legend.