The British forces at Maunsworth are concentrating upon building their fighting strength, in response, not only to the Exile cordon around their Entry-Point in the Field, but also towards the increasing political tensions with the Americans (whose policies are fuelled by Speers' paranoias).

Grace and Commander James face painful times as they interrogate their prisoner Alex, who reveals some disturbing facts about his past, and also warns of a terrible danger approaching Maunsworth.

Meanwhile, since returning from the Field, and his encounters with the Angel, Thomas Sullivan is finding himself increasingly assailed by visions and dreams which, while lending him a unique insight into the true nature of the Heavenfield, threaten to overwhelm him....