In feudal Japan, the half demon Inuyasha was sealed away by the priestess Kikyo. Many years later Kagome, who has slipped through time from the present day, revives him.
Kagome is apparently the reincarnation of Kaede's late older sister. The Carrion Crow is after the sacred jewel and kidnaps Kagome, but Inuyasha shows up to save her. After Kagome defeats the Carrion Crow, the Sacred Jewel shatters into pieces.
Kagome has the ability to see pieces of the Shikon Jewel. Inuyasha has the power to defeat demons. Both of their powers are needed to gather the shards of the jewel that were scattered, but the two don't get along.
Kagome has returned to the present day and is relaxing in her home when Inuyasha comes looking for her. However, some of Yura's demonic hair is on his body. Kagome and Inuyasha return to feudal Japan to exterminate the Yura of the hair.
Kagome learns Inuyasha is a half-demon; born of a human mother and a demon dog. Inuyasha's half-brother appears. In order to find out where their father's grave is, he brings Inuyasha's dead mother. But the woman turns out to be a demon known as a muonna.
The muonna makes Inuyasha reveal the location of his father's grave. Sesshomaru removes Inuyasha's right eye (the black pearl) and opens the entrance to the grave. Kagome is angered by Sesshomaru's cruelty. She goes with Inuyasha after Sesshomaru.
Kagome is able to pull out the Tetsusaiga. Sesshomaru tries to kill her, and Inuyasha is angered and fights to protect Kagome. His will to protect a human changes the Tetsusaiga into its true form, a fang sword.
In the Kai Province, there is a young samurai named Nobunaga?a clumsy but earnest young man. Hearing rumors about the man that the princess, his childhood friend, has married; Nobunaga tries to save the lord of the castle who is possessed by a toad demon.
Shippo is a demon fox whose father was killed by the the Thunder Brothers: Hiten and Manten. He steals the Shikon Jewel shards from Kagome so that he can avenge his father.
Inuyasha goes to save Kagome from Manten. Hiten devours the sacred jewel shard that Manten had and absorbs his demon powers. Hiten attacks Inuyasha with his Raigekijin.
Kagome has returned to the present day to take a test. As she does, a noh mask, the Mask of Flesh, begins a violent search for the Shikon Jewel shards. Kagome's younger brother, Sota, tries hard to call Inuyasha to come to Kagome's rescue.
Kagome sees a Soul Piper, a demon that consoles the spirits of children. She helps Mayu, a girl who is about to become an evil spirit, to pass on.
Half demon Inuyasha's secret is that he becomes human once a month. That day, Inuyasha and the gang meet Nazuna and stay at a mountain temple. They fall into Kumogashira's trap and the sacred jewel shards are taken away from them.
The ogress, Urasue, robs Kikyo's grave, the priestess who sealed away Inuyasha fifty years ago. She revives Kikyo's body using the ashes of Kikyo's bones and soil from Kikyo's grave. But Kikyo's soul has already been reincarnated in a different body.
Kikyo is revived when Kagome's soul flows into her. She tries to kill Inuyasha, but Kagome takes back her soul.
Miroku, a womanizing delinquent priest, has been collecting Shikon Jewel shards and steals Kagome's shards. Inuyasha tracks him down and confronts Miroku to get the shards back.
Kotatsu, a painter, sees a dream in which he becomes successful by controlling an army of ogres drawn with ink that has a sacred jewel shard in it. Miroku, Inuyasha and the others become involved in protecting the princess that Kotatsu is in love with.
Naraku appears before Sesshomaru and lends him an arm with a sacred jewel shard embedded in it. Sesshomaru attaches the arm to himself and appears before Inuyasha and the gang to steal the Tetsusaiga.
Sesshomaru wields the Tetsusaiga with his borrowed arm against Inuyasha, who fights back with his scabbard. When Inuyasha learns Naraku's plan, he fears that Kagome might die.
Kagome has her sacred jewel shards taken away from her and is returned to the present day, unable to return to feudal Japan. Meanwhile, Inuyasha and the gang try to find out more about the mysterious Naraku.
Kagome returns to the shrine while on her date with Hojo. She senses the Shikon Jewel shards? presence and returns to feudal Japan.
Kikyo, who was brought back to life, is living as a priestess. A monk, who realizes that Kikyo is dead, tries to make Kikyo pass on, but Kikyo ends up killing him. Inuyasha saves the monk's disciples and runs to Kikyo when he hears the priestess's name.
Kikyo paralyzes Kagome. Inuyasha appears before her. Kikyo has been gathering the souls of dead girls. She vents her grudge against Inuyasha. Inuyasha reveals that he has never forgotten her.
Sango, a demon slayer, is invited to Hitomi Castle along with her father, the leader of the demon slayers, and her younger brother, Kohaku. But it is a trap. Meanwhile, the undefended village is attacked by a horde of demons and annihilated.
Sango fights Inuyasha, believing him to be her enemy. Naraku's plan is to have her fight to the death using the power of the Shikon Jewel shard. But Sango listens to Kagome and is no longer suspicious of Inuyasha.
Sango reveals the secret story of the Shikon Jewel's birth. Midoriko, a priestess with powerful spiritual powers, fused with many demons after a battle to the death. She absorbed the souls of the demons into her own, punched out her soul, and died.
Inuyasha and the gang meet Taromaru, the son of a village leader. They go to the Temple of the Water God, where children are being sacrificed. The Water God has a sacred treasure and toys around with the group.
Naraku's baby is bringing virtuous priests close to death and peering into their minds. He is trying to peer into the space between this world and the next.
Naraku's baby was split into two. One half comes back to life in the form of a child dressed in white.
Kanta is an otter demon child. His father's head was taken by Hakudoshi, and he is looking for his father's body.
The area between this world and the next, where Sacred Jewel shard is, is the demon graveyard where Inuyasha's father's corpse rests.
Inuyasha and the gang arrive in the land of fire. They discover a giant gateway within a cave in the mountains.
When the gateway in the Land of Fire opened, Kagome sensed the presence of the Sacred Jewel shard.