Archer finally arrives at the scene in the school. Rin fills him in on what happened. Together with Shirou and Saber, they plan to find out who the real Master of Caster is. After losing Rider, Shinji heads to the church!

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.

After making progress with the development of his projection magic, Shirou starts experiencing the side effects of having pushed his body to the limit.