The Holy Grail War is a brutal clash among sorcerers, where seven masters and their summoned servants contend for the Grail—a mystical relic capable of fulfilling any wish. Almost a decade earlier, the climactic confrontation of the Fourth Holy Grail War devastated Fuyuki City, claiming more than 500 lives and leaving the town in ruins.
Shirō Emiya survived that calamity and now yearns to become a champion of justice, modeled after his savior and adoptive father, Kiritsugu Emiya. Though still a student, Shirō is thrust into the Fifth Holy Grail War after witnessing an accidental duel between servants at school and inadvertently summoning his own servant, Saber.
When a shadowy killer starts murdering residents of Fuyuki City, Shirō teams up with Rin Tohsaka—another contender in the war—to halt the carnage. Yet his affection for close friend Sakura Matou draws him deeper into the grim mysteries that weave through the conflict and the rival families. Destinies force to confront truths about the Grail"s power and the cost of vengeance.