An American nurse living and working in Tokyo is exposed to a mysterious supernatural curse, one that locks a person in a powerful rage before claiming their life and spreading to another victim.
Three interwoven stories about a terrible curse. A young woman encounters a malevolent supernatural force while searching for her missing sister in Tokyo; a mean high school prank goes horribly wrong; a woman with a deadly secret moves into a Chicago apartment building.
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.