The Fifth Holy Grail War persists, and the ensuing turmoil intensifies the risks for every contender. Shirou Emiya remains in the conflict, striving to become a champion of righteousness who protects all. He embarks on uncovering the mystery behind a shadow and its killing spree, determined to vanquish it once and for all.
The same time, Shinji Matou initiates his schemes, endangering Shirou through the manipulation of his sister Sakura. Shirou and Rin Toosaka confront Shinji, aiming to liberate Sakura from her brother"s torment. Yet the grim reality of the Matou siblings surfaces, revealing numerous dark secrets that threaten to unravel their fragile alliances.
Fate/stay night Film: Heaven's Feel – II. Lost Butterfly continues to focus on the remaining Masters and Servants as they battle each other in pursuit of the Holy Grail. However, as darkness spreads across Fuyuki City, even the sanctity of their holy war is jeopardized by threats and shifting loyalties.
