Amothermovesintoanoldfamilyhometoundergoarigoroustreatmentthatshehopeswillhelpherautisticdaughtercommunicate.Thetherapyseemssuccessfulwhenthegirlmiraculouslybeginstospeak.However, shesoondiscoversthatherdaughterhascomeintocontactwiththetorturedentitiesoftheplace, whoreturnfrombeyondtocollectadarkdeb...