Housewife Kayako Saeki was murdered by her husband Takeo after he discovered she loved another man before Takeo was hanged by Kayako 's ghost .
Another man is their son Toshio and pet cat Mar also being murdered .
Housewife Kayako Saeki was murdered by her husband Takeo after he discovered she loved another man , their son Toshio and pet cat Mar also being murdered , before Takeo was hanged by Kayako 's ghost .