When Hilde Ruth is put on trial for defending herself from a lecherous customer, she meets Viscount Logen Strauss, who reveals that she's actually the granddaughter of the powerful Duke Arpeggio! Eager to become a noble, Hilde happily accompanies Logen to her ancestral home. But instead of a tearful family reunion, she's coldly ordered to pass a test to prove herself worthy of the Arpeggio name. Under such circumstances, will Hilde successfully claim her spot in House Arpeggio? (Source: Tapas)

The story takes place in an ordinary Japanese town, Fuyuki City. Hidden from society, there has been a deadly war going on in this town. Seven sorcerers known as "Masters" summon a powerful familiar called "Servants" and they all fight each other till the last one. The last one is said to attain the Holy Grail which will grant them a wish. Only a few knows when this War started and what the Holy Grail is, but the war was about to begin again this year. The main character is Emiya Shirou, who lost his parents in a fire and was adopted by a man who called himself a sorcerer. Admiring his step father, he has been training himself to be a sorcerer. However, he had no talent and he could barely use one type of sorcery. His step father has already passed away, and today he's a sorcerer without any skills or knowledge. He is involved in the War of the Holy Grail when he accidentally summons Saber, who is said to be the strongest servant of all...