Mirai and crew arrive at the hot springs located near the border of the Land of Fire and the Land of Steam in time for a festival celebrating dogs and cats. But Mirai—always on the job—just can’t relax!

Boruto and Konohamaru pay a visit to Remon's village, but are puzzled by Remon's cold demeanor. It turns out that Remon is a descendant of the Souma, a family that has protected the village from goblins for many generations. Thus, she is not allowed to leave the village freely. Furthermore, an important ritual is to be held shortly, so Kankitsu Akitsuki, Remon's childhood friend, imprisons her to prevent her from seeing anyone.

Boruto and Naruto resume their training. Meanwhile, Sasuke is at a loss for words when Jiraiya expresses doubt about his identity. However, Jiraiya says that he will not pry if they join forces to come up with a strategy to defeat Urashiki.

The battle against Urashiki is over, and it's time for Boruto and Sasuke to return to the place where they rightfully belong. Boruto is wistful about leaving Jiraiya and Naruto. Suddenly, Jiraiya makes a request to Sasuke.

Boruto and Mitsuki worry that their mission is in jeopardy, since Kokuri is scheduled to be transferred to Hozuki Castle II. They decide to escape with Kokuri before he's moved. As they discuss their strategy with Sarada, their cellmate Kedama overhears them

Himawari attends the Ninja Academy's trial session where participants get a taste of ninja training. Himawari’s already decided to become a ninja, which annoys Norimaki and Edo, who criticize her for being there just for fun. Things become uncomfortable when they're assigned to the same team.

Team 7 and Mugino manage to evade the gang and continue their pursuit of the culprits. But on the way they encounter a squad of skilled ninja and the situation turns explosive. Amidst the tension they learn intel about the culprits, so the team set out in pursuit, but their way is blocked by Deepa.

Kawaki has lost an arm in the battle against Delta, so he is given the prosthetic arm made for Naruto. Though the prosthetic can't move without Naruto's chakra, Naruto shares some of his chakra with Kawaki. Kawaki is surprised by this gesture and remembers how Naruto said that chakra is the power to form bonds with one another. He asks Naruto to train him in Ninjutsu. Meanwhile, Delta informs Jigen that Boruto also has a Karma on his palm. Upon hearing this, Jigen smiles…

Naruto and the others are exhausted from their battle with Isshiki. Suddenly, Boruto attacks Sasuke. Momoshiki has taken control of Boruto’s consciousness and stands before them as an enemy. Kawaki desperately calls out to Boruto to snap him out of it. Unfortunately, his words are unable to reach him. Sasuke tells Kawaki a way to bring back Boruto’s consciousness. In order to save Boruto, Kawaki attempts a risky plan using a jutsu he only recently learned. While Kawaki and Sasuke fight a desperate battle, Naruto finally runs out of strength. As his consciousness fades, he and Kurama quietly reminisce about their past.

Team 7, with Sarada as captain, are assigned a mission. Mirai, who was on a mission with Konohamaru, returns to the village critically injured. The mission was supposed to be simple, but Mirai reports that the situation has changed drastically. It’s decided that reinforcements will be sent and Team 7 volunteers to go.

While on the lookout near Dotou Island, a giant mobile fortress appears before Boruto and his friends. Kagura orders Boruto, Kawaki, and Buntan to sneak into the fortress to gather information. Sarada and Mitsuki are able to join up with Denki and the other members of Team 5, and together they begin their plan to save the people of the island.

The main squad led by Funamushi is getting close to the village. Boruto and the others stand by, intending to use traps to slow down the enemy. However, the enemy sees through their plan and they are suddenly thrust into a full-scale battle. Despite being shaken, Boruto and the others fight back. Working together, they are able to handle the enemy’s overwhelming numbers. Even still, Funamushi burns with the desire for revenge and uses a powerful jutsu to corner them.

Kawaki and Himawari’s class will be putting on a play about the Legendary Sannin for the school festival. The students rehearse wearing prop headbands, but when Eiki discovers that Kawaki brought a real headband, he tries to expose Kawaki’s true identity to drive a wedge between him and Kae. Kawaki can’t afford to let Kae find out about his mission. Will he be able to prevent this from happening?!

As test subjects drop off one by one, Boruto tries to find a way to get everyone out alive. The next experiment is for the subjects to carry candles that are directly linked to their lives. Although some people try to save only themselves, Boruto and a fellow ninja from the Leaf Village, Kiseru Gankubi, aim to clear the challenge together with everyone…but Ouga’s experiment mercilessly pushes them to their limits!