To prevent further problems, Sasuke thinks up a password to determine friend from foe, but will it be that simple? Meanwhile Naruto has his hands full with a giant snake. Can he handle this on his own and what about Sasuke and Sakura, can they survive the ordeal?

With Sakura defeated and facing certain death, more reinforcements step into the fray. However, they sense an even bigger level of power, and its not coming from the sound trio! Meanwhile Sasuke wakes up with an ominous dark aura surrounding him and the mysterious seal spreading over his body. He has but one goal....make his enemies pay!

While Shino and Zaku finish their fight, Kakashi works on Sasuke's cursed seal. However, someone sinister shows up to ruin things, will Kakashi be able to protect Sasuke from this skilled foe?

As Chouji faces off against Dosu, Orochimaru gives an order for Kabuto to abduct Sasuke. He also tells Kabuto that if he wants to stop him, he'll have to kill Sasuke. As Kabuto approaches Sasuke, he hesitates on what to do. His spy cover is soon blown though, as Kakashi appears on the scene. Will Kakashi save Sasuke from Kabuto's grasp?

Naruto, Sakura, Shikamaru, and Pakkun are being chased down by several Sound ninja. Shikamaru decides to stop and try to hold them off so the others can catch up to Sasuke without fear of pursuit. Shikamaru is the logical choice because of his Shadow Possession Jutsu...needless to say, Shikamaru's not too thrilled by this.

Naruto continues his training of the Rasengan, having mastered the stages of spin and power. The final stage proves to be the most difficult: control. Meanwhile, Orochimaru and Kabuto accost Tsunade and ask her to restore Orochimaru's arms. If she restores Orochimaru's arms, he promises to use his Rebirth of the Impure World kinjutsu to revive her lost lover and little brother.

Naruto is unable to search for Sasuke due to Tsunade's orders, while Kiba and Hinata wonder how they can help him out. Shino remembers a special type of bug that if it is found, could easily track Sasuke down. they go and discuss it with Tsunade, who agrees to let them search for it, making Shino the leader. Tsunade discovers Naruto eavsfropping the conversation and lets him go with them. But, can they complete a mission with only a 10% success rate? As they travel, Naruto has difficulty dealing with Shino's bizzare behavior. Hinata also sneaks out in the middle of the night to practice some mysterious moves. After two days of travelling, they finally reach their destination. And they're not alone, a mysterious group is also after the same thing.

Gai is trapped inside a fortress made of practice posts. Yagura appears but is he there to help or to hinder? Naruto, Neji and Tenten show up to try and rescue Gai, but will it be too much for them to handle on their own?