With Denki as captain, Team 5 is assigned to a mission to transport automated puppets for mining purposes to an island in the Land of Water, to test and operate them, to gather data, and to analyze the results. However, lacking physical strength, Denki isn't very useful and ends up being ridiculed. Will Denki be able to restore his reputation as a ninja and successfully complete his first mission as captain?

There is a murder aboard the ship carrying the people rescued from Dotou Island, and Kyoho is the primary suspect based on the evidence. Despite his claims of innocence, there is no proof to back him up. Despite that, Kagura chooses to believe Kyoho. He places Boruto and Iwabe in charge of watching Kyoho while everyone else splits up into teams to search for any clues that may point to another culprit.

Boruto and the others return safely to the Leaf Village. While Naruto informs Team 7 of events that have occurred in the Hidden Mist since they left, Boruto and Kawaki get into an argument over whether or not Ikada should be punished.

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.

Tsuzura’s hawk has suddenly been sold, so he does what he can to get his precious bird back. Hearing what happened, Boruto ignores Sasuke and rushes to help.

A swarm of dragon-beasts suddenly appears at the Observatory, throwing everything into chaos. When Sasuke and Sakura learn that the director, Zansul, has horrifying ambitions, they split up to try to stop him. Sakura gets back to the Observatory first, but the building collapses while she’s still inside. Meanwhile, Sasuke catches sight of Zansul and his accomplices. He tries to join up with Sakura but is unable to find her. Trapped, Sakura faces a precarious dilemma.

Will Sasuke and Sakura—the most powerful couple in the Village Hidden in the Leaves—be able to crush Zansul’s ambitions and safely return with the Ultra Particles to save their friend?