Paradigm City. A City of Amnesia. Forty years ago, everyone lost their memory... but humanity continues to survive. They've learned to operate machinery, produce electricity, and go on living each day at a time. Still, there's something missing in a town with no past, no history of what has come before.
Roger Smith is a Negotiator, hired to negotiate disputes between parties. With the power of a wondrous piece of technology known as the Big O, Roger Smith keeps Paradigm City from the nightmare of memories.