Boruto, Sarada, Mitsuki, and Kawaki arrive at the dimension that Naruto is trapped in, but Boro is there waiting for them. The four create a team with Sarada leading them to fight Boro, who uses a black mist to paralyze his enemies.

Boro goes on a rampage and attempts to eliminate Boruto and the others. Boruto is beat down and falls unconscious. Then suddenly, his Karma activates and he becomes possessed by Momoshiki's spirit.

News has spread throughout the Leaf Village that a cloaked man has stolen data from the archives. Team 10 decides to launch their own investigation to find and catch the thief.

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.

The Land of Water is taken over by pirates, and contact with Denki's Team 5 is lost. The new Team 7 joins up with a unit led by Kagura and sets out for Dotou Island to assist Team 5 and rescue the islanders. However, the unit is made up of Buntan, Hebiichigo, and Kyoho, who in the past had called themselves the “New Seven Ninja Swordsmen of the Mist.” Sarada and Mitsuki go ashore to scout the island while Boruto and the others stay back and watch the situation nearby.

Boruto’s desperate attempts to reason with Ikada fail and he’s unable to change his mind. He prepares himself to give his life to stop the Land of Water and the pirates from fighting. He tells Sarada and Mitsuki that they should not seek revenge if he ends up dying. However, neither of them is able to stand idly by. Will Boruto and his friends manage to stop this cycle of revenge and restore peace to the seas?!

Naruto has been asked to play himself in the popular Evil Jammer Kagemasa shinobi movie series. Konohamaru ends up playing the role in his place. Since this is his first movie appearance and the fact that he will be playing the Seventh Hokage, someone he looks up to, Konohamaru goes all out. However, he’s troubled when production doesn’t quite go as he expected. Upon hearing something from the assistant director, he proposes something to make the movie more enjoyable.

Kawaki and Himawari participate in a training session in the forest near the academy. The class is split into three-person teams and Kawaki ends up on a different team from Kae. Anxious about losing sight of Kae, Kawaki is unable to focus and ends up burdening his assigned team. Kae is lured away by a mysterious person and disappears. Fearing that she is in danger, Kawaki and Himawari rush to find her.