America, 2036: a wasteland in economic ruin. Terrorism and ultra-violence plague a once powerful society, whose people's only escape is to numb themselves on flashback — a euphoric yet cripplingly addictive drug that allows its users to revisit happier, past experiences. Ex-cop and addict Nick Bottom has seen flashback destroy his life. All he has left are the flash-induced memories of his beloved wife, taken from him in a fatal car accident. In despair and at rock bottom, Nick receives a proposition from billionaire magnate Hiroshi Nakamura. Nakamura wants to buy Nick's services. In particular, his memories...