Theatrical-release adaptation of the visual novel "Fate/stay night", following the third and final route. (Final part of a trilogy.)

On the planet Latimer, Takeshi Kovacs must protect a tattooist while investigating the death of a yakuza boss alongside a no-nonsense CTAC.

Emiya Shirou is a young magus who attends Homurahara Academy in Fuyuki City. One day after cleaning the Archery Dojo in his school, he catches a glimpse of a fight between superhuman beings, and he gets involved in the Holy Grail War, a ritual where magi called Masters fight each other with their Servants to win the Holy Grail. Shirou joins the battle to stop an evildoer from winning the Grail and to save innocent people, but everything goes wrong when a mysterious "Shadow" begins to indiscriminately kill people in Fuyuki...

In this expanded version of the award-winning film, a teenage bride in Hiroshima adjusts to her new life in the midst of an ever-worsening war.