Several years prior to the main plot, Takeo Saeki murders his wife Kayako after discovering she is in love with another man, also killing the family cat Mar and possibly his son Toshio. The murders create a curse that revives the family as onryÅ, with Kayako’s ghost murdering Takeo. Whoever enters the house in Nerima, Tokyo, is eventually consumed by the curse, which spreads to the place they die in and in turn consumes anyone who goes there.