Yusuke, a street punk restored from death to work as the Underworld's official supernatural detective, investigates the demon gang Four Beasts which is infecting humans with nasty brain bugs.
Yoh Asakura, a shaman who can channel ghosts, transfers to Shinra Private Junior High and struggles to protect his fellow students from the spirits he encounters.
In the Forest of Death, Naruto, Sasuke and Sakura are recovering from Orochimaru's attack when they're attacked by Orochimaru's Sound Ninja and at the same time, Sasuke is fighting the force implanted in him by Orochimaru's curse.