Ten years ago master mages fought a secret war to control the Holy Grail and the result was devastating to everyone. Today, the Holy Grail War begins anew, waged by a new generation of masters. One unlikely master, Shirou, must come to grips with the reality of this secret battle when he unknowing summons his own servant, Saber - the one said to be the most powerful servant of them all. Perhaps Shirou will be the one to prevent the destruction that ended the first war…