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.
College students Izumi, Tomoko, and Hikimasa arrive at a vacation rental villa, but it turns out to be a trap set by someone to kill them. But it turns out to be a trap set by someone to kill them...
Shinohara Saki is an ex-bar girl on the run from a group of yakuza. Homeless and out of a job, she takes a position at a maid café and starts living in a 24-hour Internet café.