This film puts the spotlight on Mai Shono, family to the missing schoolteacher Yui Shono. Mai is determined to find out what exactly happened after her sister visited a truant student, Toshio Saeki. Mai doggedly follows the clues, which leads her to the cursed house-now nothing but an empty lot. Will she truly discover the horrifying death of her sister and be the one to finally break the curse, or will she be another sacrifice?