Ushio Aotsuki lives with his father Shigure, who runs a temple. One day he finds something incredible there, and hears a terrifying voice.
Ushio finds the Beast Spear and a monster he names Tora. A stone armor mysteriously begins attacking students at Ushio’s junior high school.
Reiko is known at school for being suicidal. Ushio sees a painting of her at an exhibition and decides to ask her to model for him as well.
Ushio learns of a massacre at a construction site, with marks of sharp teeth on the bodies. Tora vows innocence, but Ushio does not believe him.
Hyou has lost his beloved wife and child and searches for the monster that scarred him as well. When he sees Tora on the news he thinks he is the one.
Ushio visits the beach and meets a boy named Tatsuya. A bored Tora is asked to destroy a monster known as the Ayakashi.
Ushio is anxious to know the truth after hearing his mother is alive. His father, refusing to answer his questions, instead leaves for headquarters.
Ushio and Tora set off to find Ushio’s mother. On the way, they meet a girl mourning her dead father. She blames a defense force pilot for his death.
Ushio and Tora make it to Sendai but immediately lose all the travel money they had! Then Raishin and Kagari appear in front of them.
Ushio and Tora meet the ailing Saya. Her family honors the Omamori-sama, whom they believe brings wealth, but disaster and poverty await them.
Ushio is preparing for travel when he has a vision of Asako screaming at a water pond. Mayuko invites a distraught-looking Asako to a sleepover.
Ushio and Tora set off for Hokkaido again, whereupon monsters attack while calling Ushio’s mother’s name. Ushio becomes separated from Tora.
Ushio tries to ask the Kappa about his mother, but the monsters keep attacking. As he escapes through the forest, Ushio runs into a giant mansion.
Ushio arrives in Hokkaido and meets a girl who easily defeats the monsters chasing him. She claims she is the rightful bearer of the Beast Spear.
A monster takes over a tourist bus, sending it out of control. Ushio is powerless, possessed by the monster, until Tora and Nagare appear!
Satoru’s body is taken over by a monster. Ushio seeks help from Yamanmoto, who says the only way to defeat it is to enter Satoru’s body himself.
Ushio and Tora pay a heavy price for rescuing Satoru. Ushio loses his sanity and turns into a beast. As his mind fades, he meets a certain boy.
Asako and Shigure are drawn together by the spirits. In order to rescue Ushio, the girls must comb Ushio’s hair with his mother’s comb.
Ushio recovers, and the Beast Spear guides him inside a cave. Seeing how worn out Ushio has become, Tora decides to go with him.
Ushio and Tora arrive in ancient China. They engage in battle with Hakumen no Mono in the palace, but are shocked to learn of its overwhelming powers.
Ushio returns to Tokyo after a long journey. One day he saves a boy named Kirio. At the exact same time, Kuragi attacks the headquarters.
Ushio is furious at his inability to save Mikado. His death sends ripples through the Sect. Kirio begins to incite the monks.
Ushio and Tora arrive at the house, concealing Kirio’s origins. When they fight their way inside, they find Kirio and the monks waiting for them.
Tora visits Mayuko and finds her happily preparing for a party. Only, the invitation turns out to have been sent by a monster luring in humans.
Ushio is on his way to school when he is abducted by an unknown group. Even Asako’s karate fails to defeat them, and Tora falls prey to it as well.
Ushio awakes in the HAMMR institute, facing Hakumen’s fierce attacks. Tora breaks free and comes to the rescue, but can this almighty pair fight back?
The final battle with Hakumen no Mono draws near. Ushio fears that his everyday life might come to an end, and suddenly his fears become a reality.
The Beast Spear is fated to break into pieces, and Mayuko must be the sacrifice for its remaking. She agrees, but Asako conjures up a different plan.
Mayuko investigates how to defeat Hakumen no Mono. After preventing the making of the Beast Spear, Ushio meets Hyou. Tora’s doppelgänger appears!
A strange spirit appears to Kyoji. After asking what it wants, Kyoji springs into action. Someone wants to meet with Ushio and Tora, but who is it?
The defense force tries to destroy the stone pillar containing Ushio’s mother, falling into Hakumen’s trap. Asako learns of Ushio’s secret.
Ushio enjoys some precious time with his mother, until the massive Hakumen breaks free of Sumako’s barrier with a thunderous roar.
Hakumen no Mono returns! Ushio’s mother tells Ushio he must give his life to the fight. Driven by immense hatred, Ushio heads into battle again.
Hakumen no Mono can’t be held back any longer. Ushio sinks into the sea and dreams of the ancient story of a man, revealing the secret of Hakumen’s birth.
Hakumen no Mono is on a destructive rampage. The spear shards’ power reminds the humans and youkai of Ushio and Tora, igniting a spark of hope.
The humans and youkai join forces against Hakumen no Mono. At the core of their hopes is the revived Ushio. Hyou awakens to fight one last battle.
Yokai and mankind join forces to push Hakumen no Mono through the barrier. Just as all seems lost, a familiar golden yokai leaps to Ushio’s aid.
Inside the barrier, Ushio and Tora heroically face off against Hakumen. Ushio fights valiantly, but wielding the Beast Spear will soon take its toll.
Tora hatches a dangerous plan and tells Ushio. Together they face their destiny during the final showdown against the ferocious Hakumen no Mono.