Since the dawn of civilization, men have had dreams. Countless have have strived to make those dreams reality using whatever means necessary. But what of dreams that cant be achieved through determination alone? What of dreams that can only be made reality through some form of miracle? For those dreams, the three founding families created the Fuyuki Holy Grail War. With the aid of past heroes from all nations mages from across the world compete in a bloody, inhumane battle for the supposedly omnipotent wish granting device, all to willing to shed their humanity in the process.