With the appearance of the mysterious Archer-class Servant, Saber tells Shirou to escape while keeps him occupied. However Shirou, knowning that Saber couldn't defeat him before, foolishly tries to attack him head on and with the snap of his fingers Shirou is quickly defeated. Will Saber have the strength to defeat him, esepecially now knowing his true identity; owner of all the world's treasures, the King of Heroes of ancient Uruk, Gilgamesh.Kirei Kotomine also seems to play a major part in the Holy Grail War and it's not because he's the mediator.

Saber can't seem to get Shirou of her mind but that is short lived when she finds out from Rin that Ilya has a terrible fever and may not last long. Meanwhile Shirou is still missing, having not returned from the night before and Saber knows that there's only one place he could be, the church. It doesn't take long for Saber to notice the wounded Shirou on the floor but she's unable to do anything because she's greeted by Lancer. Saber must decide whether she truly desires the Holy Grail as she's given a means in acquiring it.Kirei Kotomine reveals what really happened at the end of the last Holy Grail War and what will Shirou and Saber do knowing the true meaning of the Holy Grail?

After the incident at the church, Saber and Shirou return home only to find Rin on the floor and badly injured. It turns out that Kirei Kotomine attacked her, while Shirou and Saber were occupied and that's not all because he has also taken Ilya and plans to make her the sacrifice for the Holy Grail. Aided with Rin's final advice, they both head to Ryudouji where Kirei is going to summon the Holy Grail. Saber will battle again with Gilgamesh and Shirou will have to leave her and deal with Kirei, who obviously has some sort of personal vendetta against Shirou.The final fight has just begun.

Shirou has found himself trapped in the same place Kirei Kotomine trapped Shirou's father. Surrounded by death Shirou must escape this place through will power alone, if he want's to end this Holy Grail War once and for all. Saber is also having trouble defeating the somewhat unbeatable Gilgamesh yet there is hope, with the power of "Avalon" The Ever-Distant Utopia.What will truly come about from destroying the Holy Grail? Will things be able to go back to normal?