Plot: The story of the film will revolve around Sakura Matō, the younger sister by blood to Rin Tohsaka, but when she was young, Sakura was sent to the Matō household as an adopted daughter. There, she was given torturous training in order to give her powerful magic powers. Sakura was not supposed to enter the Holy Grail War, but due to her getting into a romantic relationship with Shirō, the passion hidden within herself and her mental restraints go berserk. Sakura becomes a large game-changer in the Holy Grail War, and forces Shirō to walk toward a cruel fate
Tomonori Sudou (Fate/stay night: Unlimited Blade Works, Fate/Zero animation director) is directing the films, and ufotable is animating the work. Yuki Kajiura (Fate/stay night: Unlimited Blade Works, Fate/Zero) is composing the music. The initial announcement revealed that Takahiro Miura was providing the storyboards.
We have a date: September 30, 2017 for the first film
The advance ticket page for the TOHO Cinemas Kinshicho theater in Tokyo lists the first Fate/stay night: Heaven's Feel film with an opening date of September 30. As of Sunday, the other theaters in the TOHO Cinemas chain only list the film's opening within "2017."
The staff of the Fate/stay night franchise announced last March that the film project will be split into three separate films, with the first premiering sometime in 2017. The project was initially announced in 2014 as a single film.
It's not a surprise that the first movie sold out in north America and around the world due to the immense and sheer size of the fan base for Fate franchise as it's very successful and popular behemoth in the anime industry