Kagura sends Boruto, Kawaki, and Buntan to investigate an enormous mobile fortress belonging to the Funato. Meanwhile, Sarada, Mitsuki and Team 5 to try to rescue the people of Dotou Island.

Someone is murdered aboard the ship heading back to the Mist Village. Kyoho is considered to be the prime suspect, but he claims to be innocent. Boruto and Iwabe stand guard over Kyoho while everyone else searches the ship for clues.