At Jiraiya’s suggestion, Boruto and Naruto train to synchronize their chakra, but this turns out to be more difficult than expected. Boruto then runs into Neji and decides to talk to him. Sasuke, upon seeing a discouraged Naruto, is unable to ignore him.

Hozuki Castle is a prison run by the Hidden Grass, well known for being notoriously difficult to escape from. Boruto and Mitsuki are sent there to protect Kokuri, a former member of a brutal band of robbers known as the Mujina Gang who's now targeted by assassins after betraying and deserting the gang.

A training class on Medical Ninjutsu is to be held, and each team must send a representative. Sarada is chosen for Team 7. Despite Sakura being a Medical Ninjutsu specialist, Sarada doesn't have a knack for it and being a participant fills her with anxiety.