 The game begins near the end of a Central Code cycle, with the humans under attack by Otellos; a new, warped species which possesses humans to turn them into mindless puppets named Coded, although for some people the possession instead turns them into powerful, free-willed creatures called Warheads.The game follows a human who has attempted to become a Coded in order to survive the Reborn, but is instead turned into a Warhead, although an incomplete one.As such, she must battle Coded in order to steal their bodies, as hers continually falls apart.