Sasuke finds himself in a pinch inside of Haku's Crystal Ice Mirrors, but Naruto comes to the rescue. But Sasuke has a plan to counter Haku's jutsu with attacks from both the inside and outside the Crystal Ice Mirrors, and Naruto's unexpected action ruins Sasuke's strategy. Eventually, both young ninja are trapped.
Naruto and Sasuke continue to receive punishing attacks from within Haku's Crystal Ice Mirrors. Naruto can no longer stand on his feet. But during the intense battle, Sasuke starts to realize the power of his own Sharingan and gradually starts to elude Haku's assault. Haku decides to finish them off immediately. Sasuke is caught off guard by Haku's action and uses his own body to shield Naruto...
Naruto finally explodes. His anger against Haku, who defeated Sasuke, unleashes the power of the Kyûbi. Naruto's chakra becomes so intense that even Kakashi and Zabuza, fighting in the distance, take notice. Haku is unable to do anything in the face of Naruto's hidden power.
Haku tells the hesitant Naruto to finish him off. Naruto strongly questions Haku's philosophy of existing only to fight and win. Meanwhile, the battle between Kakashi and Zabuza approaches its climax. Zabuza's movement is restrained by Kakashi's Summoning Jutsu. With victory within his grasp, Kakashi unleashes his most devastating maneuver.
Zabuza is no longer Kakashi's enemy, and thanks to a little speech by Naruto about how ninja are, Zabuza takes on Gato's men single handily. The Demon of the Hidden Mist takes his vengeance on Gato and all of those dumb enough to follow him, and apologizes to Haku for what he did to the kind little boy. After the group takes care of the rest of Gato's men, Zabuza asks Kakashi one final request, to see Haku one final time. This is Zabuza's requiem.
With their latest mission complete, it's time once again for the group to go back to mediocre missions. After all are done, Konohamaru and his friends pay a visit to Naruto. All which result in being chased by Sakura. Everyone is soon over though, as two mysterious ninja block their way, and one of them isn't too happy with Konohamaru. Sasuke arrives to save the day, but the leader of the group shows up, with stealth skills that surprise even Sasuke. Meanwhile, the Third Hokage announces that it's time once again for the Chuunin selection exams.
After the three ninjas take their leave, Sasuke realizes he has a powerful rival out there. The next day, Kakashi announces that he has recommended all of them for the Chuunin Exams. While Naruto and Sasuke are pleased, Sakura is afraid of letting everyone down. Also, someone decides they aren't ready and decides to test their abilities.
Rock Lee keeps fighting against the ferocious Gaara. Lee is weakened due to the use of his technique, Omote Renge, but his will is strong. In order to defeat Gaara, Lee would open the first gates, to be able to use a forbidden technique.
While Ebisu trains Naruto on how to walk on water in a hot spring, he spies somebody trying to peep on women in a hot spring. Ebisu attacks him, only to be defeated quickly. Since Naruto's teacher has been knocked out, Naruto demands that the stranger become his teacher instead, but he has other plans. Naruto's Sexy Jutsu may be just the thing to get this pervert's attention.
While Jiraiya attempts to teach Naruto the Summoning Jutsu, while doing research as well, Dosu learns the hard way why Gaara is so dangerous. Meanwhile, Baki and Kabuto secretly meet and reveal a sinister plot against Konoha. When Hayate discovers this dark secret, he attempts to warn the Hokage. However, he'll have to get through Baki first!
Naruto keeps training on his 'kuchiyose no jutsu' skills, with little improvement, while Jiraiya-sensei prefers to focus his attention on 'researching for his next book', sneaking, looking the young women. In a meeting with the Hokage, it is told about the murder of Hayate Gekkô, the possible implication of Orochimaru and the Otogakure, but the Third Hokage decide to keep running the Chûnin Exams. Sakura is worry about Sasuke-kun and the 'Ten no Juin' Orochimaru left him. She tries again to visit him at the hospital, but first she stops at the Yamanaka flower shop. ...
Naruto wakes up in the hospital, after three days of recovering. He meets Shikamaru there, who went visit Chôji. Meanwhile, Sakura go visit Lee, and notices there's no one in the hospital reception. She feel something strange after changing Lee's flowers, but she sees nothing, so she leaves to visit Naruto. But the awkward presence is still there, and is a real danger: Gaara.
The Second Part of the Chûnin Exams is about to begin. As every Genin who passed the first test is getting ready, Naruto feels really nervous. He meets Hinata who, timidly, wishes him the best. Naruto feels better, but as he get closer to the Arena, he finds some trouble to get on time.
Everyone is ready for the final part of the Chûnin Exams. Sasuke and Dosu hasn't arrived yet, so the referee, Jônin Genma Shiranui explains that if they don't arrive in time for their matches, they will be disqualified. This worries Sakura. First match is Naruto Uzumaki vs Neji Hyûga. Most audience members are betting for Neji, but Sakura and Hinata have faith in Naruto. Could the orphan boy, despised by most, defeat the talented and well trained member of the Hyûga Clan?
Naruto begins his assault with his Shadow Clones but Neji analyzes Naruto's actions and determines the real one. Unable to figure out why Naruto won't admit his defeat, he takes off his headband and reveal a mysterious mark on his forehead. Neji reveals the truth about his hatred towards the main family of the Hyuga Clan.