Shirou is devastated since he was unable to save Illyasviel. Together with Rin, he is determined to fight Caster and the others. Out of the blue, they are visited by a Servant who is willing to lend a hand!

Shirou's battle with Archer continues. But then an unexpected visitor appears, and new information unfolds.

With everything seeming to be against them, will Shirou and Rin be able to survive?