Terrorism and ultra-violence plague a once powerful society, whose only escape is to numb itself on flashback: a euphoric yet cripplingly addictive regression drug. Ex-cop and addict Nick Bottom has seen flashback take his badge, his reputation and the love of his son. Alone and in despair, he has hit rock bottom. But Nick is about to receive a proposition. Billionaire magnate Hiroshi Nakamura needs his services, and, in particular, his memories...