Sasuke and Sakura take on ancient secrets, deadly conspiracies, and even dragons in this manga adaptation of the novel. 
Years after the great shinobi war, Naruto is struck with a mysterious illness. Desperate for a cure, Sasuke and Sakura embark on a dangerous undercover mission in the distant land of Redaku. Together they discover a nefarious plot of life-and-death proportions and a battle that will test this husband-and-wife team till death do they part. 
As Sasuke and Sakura descend even deeper into the hidden chambers beneath the observatory, the details of a dire conspiracy finally begin to come to light. With the prison warden watching their every move, the two will have to find a way to secure Naruto's cure and survive the battle to come in this thrilling conclusion!