When social worker Rika is sent to check on a traumatized old lady whose family have moved in at the site of the notorious Saeki family murder case, she unwittingly unleashes a cycle of terror that is transmitted via its victims further and further from its original source.

When elementary school teacher Kobayashi investigates the absence of one of his young pupils from the classroom, he finds himself at the doorstep of an anonymous suburban house that harbours a horrible secret, and into which all who enter are doomed.

On his request, the sensitive sister of a real estate agent visits a house he intends to put up for sale, only to cross paths with its resident curse.