In the age of the brain-wired supernet and pocket universes, Ghamdan, a 22nd-Century P.I., must track down the only surviving witness to an ugly kidnap and murder. The terrified witness seems to have fled into a top-security prison housed in a pocket universe. He's fleeing the powerful malware that the alleged murderer can inject into a victim's mind. So Ghamdan must follow. But who can he trust?