The film is directed by Tomonori Sudou based on the screenplay by Akira Hiyama with Sudou serving as the chief animation director at ufotable.
Plot Concept: The project deals with Sakura Matou, the younger sister by blood to Rin Tohsaka, but when she was young, Sakura was sent to the Matou household as an adopted daughter.
Fate/stay night [Heaven's Feel] THE MOVIE III. spring song Teaser Trailer