Amothermovesintoanoldfamilyhometoundergoarigoroustreatmentthatshehopeswillhelpherautisticdaughtercommunicate.Thetherapyseemssuccessfulwhenthegirlmiraculouslybeginstospeak.However,shesoondiscoversthatherdaughterhascomeintocontactwiththetorturedentitiesoftheplace,whoreturnfrombeyondtocollectadarkdebtfromthepaseee