A Holy Grail War. A deadly battle of supremacy between seven Mages and Servants over an omnipotent wish-granting device. Years have passed since the end of the Fifth Holy Grail War in Fuyuki, Japan. Now, signs portend the emergence of a new Holy Grail in an American city called Snowfield. Masters of bizarre circumstances gather to the stage, summoning unorthodox servants one after another. Will the grail that is filled by the battles in this place be real or fake? Let the curtain rise on an unprecedented Holy Grail War...