The battle against Caster continues as the Heroes have no way of stopping him. Toki is trying to appeal to Archer to use his Noble Phantasm to obliterate the monster. Kiri meanwhile, is planning to destroy the source of the monsters powers.

In the Holy Grail War, seven magi chosen by the Holy Grail itself must summon seven Heroic Spirits to compete for the omnipotent Grail, a magical device that grants the victor any wish they desire. After three inconclusive wars, the fuse has now been lit once again for the fourth time.

In the World before, novice mage Shirou Emiya summoned and bonded with beautiful heroic spirit Saber as they became enmeshed in the battle for supremacy known as the fifth Holy Grail War. Fate, however, is a fickle mistress, and there was more than one way for that story to transpire. Now, in an alternate timeline, the pairing’s destiny becomes more tightly intertwined with that of high school student/secret Mage Rin Tohsaka and her Servant Archer. Even if you think you know what will happen next, prepare to be surprised as new twists await at every turn.