It is the time of the Third Shinobi World War. Obito Uchiha is late, for which his teammate, young Kakashi Hatake, reprimands him when he eventually arrives. Kakashi, who has recently become a jounin, receives gifts from his teammates. Rin Nohara gives him a personalized medical kit. Their teacher, the future Fourth Hokage, gives him a special kunai. Obito forgets to bring him anything. Kakashi must be the team leader for their mission to destroy the Kannabi Bridge, giving Konoha an advantage over the Hidden Stone in the war. As they travel through Kusagakura they discover that an enemy ninja is watching them. Kakashi decides to deal with the ninja using a new technique: Chidori.