This film is adapted from the text adventure game "Fate/staynight" produced by TYPE-MOON. It is the second chapter of the three works of the animated theatrical version of the final route "HF Line" of the game. Through the perspective of the heroine Matou Sakura, it tells the story of a war between the Master and the Heroic Spirit to obtain the Holy Grail that can fulfill all wishes. In this "Holy Grail War" that broke out in Fuyuki City after a lapse of 10 years, it became more deformed, distorted and deteriorated due to the participation of Matou Zouken, the head of the Matou family, one of the three major families in the "Holy Grail War". Shirou Emiya, who participated in the battle as the Master, was also injured in the battle and lost the Heroic Spirit Saber. Despite this, Shirou did not withdraw from the battle in order to protect Matou Sakura. And Sakura, who was worried about Shirou's body, could not escape the fate of a magician herself...