Orochimaru's nefarious plans for Sasuke are revealed and Naruto vows to save his friend. But first he and the others must battle they mysterious Kimamaro, who has deadly past ties to The Sound Ninja Four!

IIt's all-out shinobi war as Naruto, Tsunade, Jiraiya and Shizune take on Orochimaru and Kabuto in battle...with the final fate of Tsunade hanging on the outcome! Will her darkest fears finally become reality?!