Isane and Hanataro are troubled by the recent reports of someone stealing food from the Squad Four barracks. Evidence shows that the thief is hiding in an underground waterway, and so a team comprised of Hanataro, Nanao, Ikkaku, and Hozukimaru is sent down for investigation.
Uryu begins his own investigation to track down the enemy who attacked him. As he goes around searching for clues, he notices that people close to Ichigo are acting strangely. Meanwhile, Ichigo's Fullbring training is nearing its completion.
Ichigo escapes from his house in confusion after witnessing his friends and family welcoming Tsukishima as if they've known him for years. Regrouping with Ginjo, Ichigo learns that the same change has also happened to Riruka and the other Xcution members.