The restless drag and catch of a fountain pen over coarse, unbleached paper was unbearably loud in the loft room after curfew. Jamie Lam bit his lip and said nothing, staring out of the scratched, fogged windows over a quiescent Hong Kong. The streets below, heaving and pulsing with life during the day, were empty except for the occasional Patrol; lumbering one-person suits just over ten feet tall that swept a constant AFR beam ahead of them.