Longing to become a samurai, Usagi heads to the city of Neo Edo - where he accidentally frees a villain who was imprisoned for a thousand years.
Usagi and his friends battle Kagehito - a spider-like Yokai with multiple arms, legs and eyeballs - then must save Lord Kogane from an attack.
Usagi, Kitsune, Chizu and Gen head to the cultural center, where they encounter a Yokai that lives inside neglected things and one that can change shape.
Gen receives treatment at the hospital as Usagi and Kitsune wind up in the middle of a disagreement between the Mogura and Bat Squadron.
Karasu-Tengu agrees to be Usagi's sensei if he captures the three Urban Yokai. Lady Fuwa launches her plan to rule Neo Edo by stealing the Ki-Stone.
The Neko Ninja Crew attacks the temple, forcing Chizu to choose a side. Gen heads over to his side job while Usagi searches for the second Yokai.
After Usagi and Chizu search for the last Urban Yokai in the Hidden Dojo, Usagi has a change of heart. Kagehito gets closer to finding his missing item.
Chikabuma sneaks away to warn Gen, Toshiko, Chizu and Kitsune about Kagehito's plan. After Usagi proves himself worthy, Karasu-Tengu agrees to train him.
Usagi reunites with the team as they battle Lady Fuwa and her ninjas. Kagehito launches a savage attack to attach the Clavis to the Ki-Stone.
The Ki-Stone fights to close the portal to would-be alien invaders but is missing an important piece. Can Usagi and the team find it in time?