a womans son coughs up dirt

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.

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.