Fate/stay night [Heaven’s Feel] III. spring song

10 years after the Holy Grail War—a battle waged by Masters and Servants over the wish-granting container, the Holy Grail—another war breaks out in Fuyuki City. Shirou Emiya—the adopted son of Kiritsugu Emiya, a participant of the previous Holy Grail War—is leading a peaceful life with people dear to him. Especially close to him is his underclassman Sakura Matou, who brings kindness into his otherwise lonely life. But once the Holy Grail War starts, Shirou’s peaceful life is sundered. (Source: Aniplex of America) Note: Based on the third route from TYPE-MOON's visual novel, Fate/stay night.

Shirou Emiya made his choice: to keep fighting, and to protect Sakura Matou. Due to the participation of Zouken Matou in the Holy Grail War, and his summoning of the Servant True Assassin, things begin to distort, steadily worsening day by day. Resolved to protect Sakura and not betray her, Shirou refuses to leave the battle. While Sakura worries about Shirou, she also finds herself entangled in her own fate as a mage. However, their fervent wishes are about be crushed by the mysterious black shadow that covers the city, killing Masters and Servants one by one… (Source: Aniplex of America)

With the promise of granting any wish, the omnipotent Holy Grail triggered three wars in the past, each too cruel and fierce to leave a victor. In spite of that, the wealthy Einzbern family is confident that the Fourth Holy Grail War will be different; namely, with a vessel of the Holy Grail now in their grasp. Solely for this reason, the much hated "Magus Killer" Kiritsugu Emiya is hired by the Einzberns, with marriage to their only daughter Irisviel as binding contract. Kiritsugu now stands at the center of a cutthroat game of survival, facing off against six other participants, each armed with an ancient familiar, and fueled by unique desires and ideals. Accompanied by his own familiar, Saber, the notorious mercenary soon finds his greatest opponent in Kirei Kotomine, a priest

In a Holy Grail War, Mages (Masters) and their Heroic Spirits (Servants) fight for the control of the Holy Grail—an omnipotent wish-granting device said to fulfill any desire. Years have passed since the end of the Fifth Holy Grail War in Japan. Now, signs portend the emergence of a new Holy Grail in the western American city of Snowfield. Sure enough, Masters and Servants begin to gather... A missing Servant class... Impossible Servant summonings... A nation shrouded in secrecy... And a city created as a battleground. In the face of such irregularities, the Holy Grail War is twisted and driven into the depth of madness. Let the curtain rise on a masquerade of humans and heroes, made to dance upon the stage of a false Holy Grail. This is a Holy Grail War c

The Holy Grail War continues, with each Master and Servant duo making their move for the omnipotent wish granter. Caster’s plans have been set in motion, beginning with taking Saber captive while Rin and Archer go their separate ways to continue their fights on their own. Without Saber’s aid, Shirou’s principles are put to the ultimate test. With many battles to come with expected and unexpected enemies, Shirou’s resolve begins to take form. Is his desire to protect people and become a hero, genuine? Or are they simply borrowed feelings? And will it be enough to carry him to the end? (Source: Aniplex of America)

Fuyuki City - a city surrounded by the sea and mountains becomes the setting for an ancient ritual. Seven masters are given control of heroic spirits in order to realize the mythical Holy Grail, which is said to grant its owner any wish. These heroic spirits or servants represent legendary heroes of various classes: "Saber," "Lancer," "Archer," "Rider," "Caster," "Assassin," and "Berserker." Each master will enter into a contract with their chosen servant and battle the others to the death until only one pair remains... This is the "Holy Grail War." The young and capable mage, Rin Tohsaka, prepares for her long-awaited Fifth Holy Grail War to begin... With her servant Archer, Rin enters the Holy Grail War as the sole heir to the prestigious Tohsaka family after her father's death.

As the Fourth Holy Grail War rages on with no clear victor in sight, the remaining Servants and their Masters are called upon by Church supervisor Risei Kotomine, in order to band together and confront an impending threat that could unravel the Grail War and bring about the destruction of Fuyuki City. The uneasy truce soon collapses as Masters demonstrate that they will do anything in their power, no matter how despicable, to win. Seeds of doubt are sown between Kiritsugu Emiya and Saber, his Servant, as their conflicting ideologies on heroism and chivalry clash. Meanwhile, an ominous bond forms between Kirei Kotomine, who still seeks to find his purpose in life, and one of the remaining Servants. As the countdown to the end of the war reaches zero, the cost of winning begins to b

Despite his adoptive father's warnings that the girl found in the remnants of a destroyed city is too dangerous to be considered anything other than a tool or weapon, Shirou Emiya comes to treat Miyu as a younger sister. But when Shirou relaxes his guard and Miyu starts normal school, the Ainsworth family and their agents swoop in, kidnapping the girl with the goal of sacrificing her! Faced with the realization that Miyu's ability to do good will always be equaled by her capacity for destruction, Shirou must attempt to both rescue his adopted sister, and decide how to confront the threat that her powers will always pose. (Source: Sentai Filmworks)