Rin and Shirou run into a girl named Illyasviel von Einzbern. She has a Servant who is a big mad monster! What does this girl want from them?

Saber faces Assassin while Archer and Caster go into battle against each other! What will be the outcome?

Rin suspects Kuzuki might be the Master of Caster. With the help of a hesitant Shirou, she implements a dangerous plan in a remote location to test out her theory.

Rin finally asks Shirou out on a date, but their enjoyment is cut short when Caster makes her move. Shirou is forced to make a difficult decision to protect the people he cares about.

Rin and Shirou begin their battle against Caster and Kuzuki while Lancer faces off with Archer. Will Rin's plan work in the end?

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?