A young Japanese woman who holds the key to stopping the evil spirit of Kayako, travels to the haunted Chicago apartment from the sequel, to stop the curse of Kayako once and for all. After the events of the second film, Jake Kimble is under the care of Dr. Sullivan in an asylum. He is locked in his room following several escape attempts and is attacked by Kayako. The attack is seen on security cameras, although her ghost cannot be seen, and Jake is dead by the time Sullivan arrives with a security officer. News of the incident reaches Tokyo, Japan as Kayako’s younger sister Naoko, aware of her older sister’s haunting, travels to Chicago, Illinois USA.