Immersionhastakentheworldbystorm.Initiallycreatedasavirtualgamingplatformmoreenticingthanreality,itssimulationshavebecomesoconvincingthatcriminalsarenowbeingtreatedaspatientsinsidevirtualreality.PairingtheworldsofImmersionwithnanotechnologyhasunlockedthekeytomodifyingbrainbehavior.Wecannowcureamurderer,healanaddict.Butchangecanhappenbothways.