Everyone has returned to the Hidden Leaf Village. Kakashi is hospitalized for a week due to the strain caused by his Mangekyo Sharingan. But he is scheduled to meet with Orochimaru's contact in four days' time. Despite Shizune's pleas to send another team, Tsunade declares that she will send Team Kakashi to do the job. Hearing this, Naruto hurries back to the village in search of reinforcements for the team, but is attacked on the way by the mysterious Sai!