The grail War may be a battle royale among seven magi who function Masters. Masters, through the utilization of the command seals they’re given once they enter the war, command Heroic Spirits referred to as Servants to fight for them in battle. within the Fifth grail War, Rin Toosaka is among the magi entering the competition. together with her Servant, Archer, she hopes to get the last word prize the grail , a magical artifact capable of granting its wielder any wish.
One of Rin’s classmates, Emiya Shirou, accidentally enters the competition and finishes up commanding a Servant of his own referred to as Saber. As they find themselves facing mutual enemies, Rin and Shirou plan to form a short lived alliance as they challenge their opponents within the grail War.