In the near future, when medical nanotechnology has made it possible to map a model of the living human brain, radical psychologist Natalie Armstrong sees her work suddenly become crucial to a cutting-edge military project for creating comprehensive mind-control. Meanwhile, on the other side of the Atlantic, Jude Westhorpe, FBI specialist, is tracking a cold war defector long involved in everything from gene sequencing to mind-mapping. But his investigation has begun to affect matters of national security -- throwing Jude and Natalie together as partners in trouble. Deep trouble from every direction.