The Grudge 3 follows the story of Jake Kimble, the sole survivor of the horrific events that took place in The Grudge 2. Jake is being taken care of by Dr. Sullivan, who is trying to understand his disturbing visions and help him overcome his trauma.
Dr. Sullivan visits Jake's apartment to investigate his claims, and she discovers a family that is also being tormented by the curse of Kayako and Toshio. The family consists of Lisa, a young woman who is caring for her mentally disabled brother, Max, and her mother, who is suffering from a terminal illness.
As Dr. Sullivan speaks to the family, it becomes clear that the curse is spreading and that they are all in danger. Kayako and Toshio are more powerful than ever, and they are determined to claim more victims.
To stop the curse, Dr. Sullivan seeks the help of Naoko, a mysterious Japanese woman who has a connection to the ghosts. Naoko reveals that the curse is caused by an unresolved grudge, and that to stop it, they must uncover the source of the curse and put an end to it.
As they delve deeper into the mystery, they encounter more horrific events and are forced to confront their worst fears. With time running out, they must come up with a way to banish the spirits forever, or risk being consumed by the curse themselves.
The Grudge 3 is a terrifying and spine-chilling horror movie, filled with suspense and thrilling moments, that will have you on the edge of your seat until the very end.