Sixteen-year-old Charlotte and her fellow refugees have scraped out an existence on the edge of Britain’s industrial empire. Though they live by the skin of their teeth they have their health (at least when they can find enough food and avoid the Imperial Labor Gatherers) and each other. When a new exile with no memory of his escape from the coastal cities or even his own name seeks shelter in their camp he brings new dangers with him and secrets about the terrible future that awaits all those who have struggled has to live free of the bonds of the empire’s Machineworks.