Denki and Iwabe protect the village children who accompanied them but they are captured by Funamushi and his squad. Funamushi’s squad shows up once again to attack the village. Funamushi burns with the desire to avenge Seiren as he fiercely battles Boruto and the others once more.

While strolling through the village, Kakashi and Boruto come across some people arguing. Boruto sees a gloomy-faced young couple and learns they’re engaged, and that their grandfathers are feuding. For the sake of their future, Boruto wants to help them out and asks Kakashi for advice, but Kakashi is totally uninterested. However, something seems to sway Kakashi and he decides to help…

Kawaki and Himawari’s class goes on a field trip to an uninhabited island in order to create new memories with Kae. Because of its distance from the village, there are all sorts of rumors about the island, and bizarre incidents occur, like the disappearance of the food they brought. The field trip suddenly starts to feel unsettling, but under Hana Sensei’s direction, the students try to work together to overcome these difficulties. Meanwhile, Kawaki suspects the assassin targeting Kae might be lurking nearby, so he steps up his watch.

While everyone is exhausted from Ouga’s experiments, a test subject talks about their goals, which leads everyone to talk about what they want to do if they survive. The mood is lightened, but Ouga begins a new experiment. Due to the careless actions of certain test subjects, everyone's lives are in danger once again.

Seeking information related to the Ultra Particles, Sasuke searches the cellar of the room belonging to Zansul, the director of the Observatory, while a messenger of the prime minister is visiting from the capital. To buy some time, Sakura transforms into the messenger. While Zansul is distracted, Sasuke tries to sneak into the basement, but they start to get anxious when things don’t go according to plan. Meanwhile, Zansul tells Sakura something disturbing.