Kabuto fights Team Kakashi and frees Sai. However, Sai, who intends to learn more about his bond with his brother through Naruto's bond with Sasuke, betrays him. Captured, Kabuto gives a vague description of Sasuke's location to the team. Leaving Yamato's wood clone to watch over Kabuto, Team Kakashi enters Orochimaru's hideout and splits up to find Sasuke.

As Kakashi and the others continue to struggle against the Akatsuki duo, Kakuzu reveals that he has not one, but five hearts! In order to kill him, one must take out all five of his hearts. Meanwhile, Shikamaru decides to challenge Hidan alone, and forces him away from his partner.

Naruto runs into unexpected difficulties as he trains with Gamakichi and Gamatatsu. While Kakashi's group searches for Guren and her gang, Yukimaru seems to develop interest in Naruto.

Having no other choice against Pain's powerful and strange summonings, Jiraiya undergoes a powerful transformation to go up against Pain with the help of the Toad Sages. Will this Sage Mode be enough for Jiraiya to take on not only the Pain he's been fighting, but two more as well?