In the Holy Grail War, seven magi chosen by the Holy Grail itself must summon seven Heroic Spirits to compete for the omnipotent Grail, a magical device that grants the victor any wish they desire. After three inconclusive wars, the fuse has now been lit once again for the fourth time.

This story focuses primarily on the heroine Rin Tohsaka. After her father’s death, Rin enters the Holy Grail War as the sole heir to the prestigious Tohsaka Household, with her servant Archer. But, she soon finds out that Shirou Emiya, a boy from her high school has gotten himself involved in the battles and unexpectedly saves him when he is fatally injured. Before long, Rin sets out to strike down the conspiracies surrounding the Holy Grail War along with Shirou and his summoned servant Saber. And so, the story begins to explore the truth behind Shirou’s powers and the nature behind his unyielding will to become a “hero.”

Shirou Emiya lost his parents in a fire when he was young and was later adopted by the sorcerer Kiritsugu Emiya. Shirou is drawn into the Holy Grail War summons a female "Servant" known as Saber to protect him and obtain the Holy Grail.

Sister Simone partners with her ex-boyfriend on a globe-spanning journey to destroy Mrs. Davis, a powerful artificial intelligence.

Waking up in a strange virtual world with no recollection of the past, Hakuno finds himself forced to fight for survival in a war he does not understand for a prize beyond value; the opportunity to have one's wish granted. With only an enigmatic "Servant" by his side, Hakuno Kishinami will have to face both friends and foes in battles to the death in order to not only gain possession of a mysterious object known as the "Holy Grail," but also to find the answer to the most important question of all: "Who am I?"

In this off beat account of King Arthur's quest for the Grail, virtually every journey, battle or adventure is stopped dead in its tracks by the knights of the round table's most worldly traits : cowardice, greed, idiocy or misplaced chivalry. As a consequence, instead of epic adventures we are treated with the characters' pragmatic and anachronistic take on each and every event in the Grail legend, true to the purest sitcom tradition.

Jumping back and forth between modern and medieval France, the lives of two women separated by centuries, are united in their search for an ancient artifact.

Merlin and a young thief embark on a dangerous quest to find the Holy Grail and save Camelot.