The notion of identity has become clouded in a future where the Watchers are able to inhabit the bodies of well-paid slaves through satellite links. Two people who have become surrogate bodies have two entirely different takes on the experience. Adrien Reyes views the link as a trap he needs to escape, while Sabina Lazarich sees it as a chance at true empathy. But neither knows that the experimental brain implant, I, could give a dying Watcher a second chance, and it has targeted one of them as a host.