The story begins in Feudal Japan with InuYasha, a hanyo stealing the Shikon no Tama, a jewel that can increase anyone’s powers enormously, from a village. He does not get far before Kikyo, the young miko of the village, shoots InuYasha with a sacred arrow, sealing him forever to Goshinboku, a tree in the nearby forest. Mortally wounded, Kikyo tells her younger sister, Kaede, to burn the jewel with her body to prevent it from falling into the wrong hands.
In modern Tokyo, a junior high-school girl named Kagome Higurashi is on her way to school. She stops in the well house of her family’s Shinto shrine to retrieve her cat, Buyo, when a centipede demon bursts forth and pulls her into the Sengoku period of Japan.
Not knowing where she is, Kagome wanders around a forest near the well. She spots Goshinboku off in the distance and proceeds towards it. When she reaches the tree, she finds InuYasha, who is still sealed with an arrow to the tree, asleep. Villagers seize her and take her to the old miko, Kaede. Recognizing that Kagome is the re-incarnation of her sister Kikyo, Kaede tells the story of Kikyo and InuYasha.
The centipede attacks again, and Kagome is forced to release InuYasha to kill it. After defeating the centipede, in order to prevent InuYasha from taking the Jewel of Four Souls, Kaede casts magical prayer beads around InuYasha’s neck so Kagome can subdue him.
Then the jewel attracts more demons. In a battle against a carrion crow demon, the jewel is shattered into numerous shards.
Kagome and InuYasha set out to collect the shards and restore the Jewel of Four Souls. Along the way they befriend Shippo, a fox demon, Miroku, a cursed monk, and Sango, a demon-slayer whose brother was tricked into slaughtering the rest of their village.
The group often encounters: InuYasha’s older half-brother, Sesshomaru; Naraku who tricked Kikyo and InuYasha into turning against each other; Kikyo who was brought back from the grave with part of Kagome’s soul; and a wolf demon, Koga, who is in love with Kagome and wants to make her “his woman”.
Our story begins one fateful day when Kagome Higurashi is celebrating her fifteenth birthday. She celebrates with her family, and then goes to check on her little brother who is playing around the old well on the temple grounds where they live. Sota, Kagome’s little brother is afraid that Buyo the family cat has fallen down the well. Kagome bravely ventures inside the darkened shed where the well has been for centuries.
Suddenly arms emerge from the dark well and Kagome is dragged down into it. She finds herself face to face with a giant centipede woman who keeps mentioning a jewel. Kagome shoves her away causing her one of her arms to tear off in the process, much to Kagome’s bewilderment. When she exits the well she finds that she is standing in a forest. Soon she notices a strange boy pinned to a tree with an arrow through his chest. Eventually Kagome makes her way to a nearby village where she meets an old woman named Kaede.
Everyone in the village, including Kaede is shocked by how much Kagome resembles her deceased sister Kikyo. Kagome discovers that she has travelled through time to feudal Japan and that the boy she saw pinned to the tree is Inuyasha, a half demon that was once in love with Kikyo, but Inuyasha betrayed her, and tried to steal the Shikon Jewel, a mystical jewel that grants demons immense powers.
Inuyasha had killed Kikyo and the Shikon Jewel was cremated with her body. Eventually Mistress Centipede comes looking for Kagome again and manages to seperate her from the rest of the villagers who are trying to protect her. Mistress Centipede tears at Kagome’s side and amazingly the Shikon Jewel pops out. Mistress Centipede swallows the Jewel and begins to transform. Kagome’s only choice is to free Inuyasha in hopes he will save her.
Inuyasha makes short work of Mistress Centipede, but soon other demons begin to arrive in the small feudal village, with plans to take the Shikon Jewel for themselves. When a crow demon steals the jewel, Kagome fires an arrow at it, causing the jewel to shatter into dozens of small shards which are flung across Japan. Together, Inuyasha and Kagome begin their quest to retrieve the lost Shikon shards and reassemble the jewel once more.