Naruto is troubled by nightmares after his second failed attempt to bring Sasuke home. Kakashi, recovering in the hospital, suggests a new training regimen for Naruto that puts him in touch with his wind chakra nature. Naruto seeks advice from another wind type, the Leaf jonin Asuma. Then, when Tsunade sends Team Kakashi on a mission to the Fire Temple, the truth about a shocking event involving Asuma and the Twelve Ninja Guardians begins to unfold.