Rin Tohsaka, a young girl, finds her father's memento. All she has is a catalyst and a pendant. She sets out to summon Saber, a powerful spirit.

Shirou Emiya is a high school student who always helps people around him whenever he has a spare moment. His dream has always been to become a hero of justice. One night, he stumbles upon a battle between two Servants...

Rin takes Shirou and Saber to the church in New Fuyuki. She introduces Shirou to Kotomine Kirei. Will Shirou accept to participate in the Holy Grail War despite all the danger?

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 tells Shirou all about Heroic Spirits and Noble Phantasms. She explains why she doesn't want to reveal her true identity to him. Shirou wants Saber to stay at his place for a while. Will Fujimura approve this request?

A student went missing after her archery club practice. The last person to talk to her was Shinji. And now Shinji is nowhere to be found either!

Shirou and Rin continue investigating the bounded field at the school. Will they be able to solve this mystery and find out who the third Master is?

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

Shirou continues his training with Saber. She is glad that his abilities have improved, but there is something different about his technique. Meanwhile, Rin suspects there is a fourth Master at school.