In a futuristic New York City, a cyborg goes on a killing spree.

In the year 2029, Niihama City has become a technologically advanced metropolis. Due to great improvements in cybernetics, its citizens are able to replace their limbs with robotic parts.

In a frozen world cloaked in lethal fog, a protector escorts an orphaned girl to her last living relative. Their journey leads to a derelict lab where holographic secrets reveal her family's past and hint at her unique power.