On the twentieth day of his imprisonment, which Daniel reckoned to be August 17th, 1688, the perceptions coming in through his embrasures were of furious argument and wholesale change. The soldiers he'd been glimpsing out in the yard were gone, replaced by others, in different uniforms. They looked like the King's Own Black Torrent Guards, but that couldn't be, for they were a household regiment, stationed at Whitehall Palace, and Daniel couldn't imagine why they would be uprooted from their quarters there and moved miles down-river to the Tower of London.