A powerful and haunting thriller, starring acclaimed horror actress Lin Shaye. Feeling angry and devastated after the sudden breakup with her fiancé, Grace Crawford hopes the remote home of her estranged older sister, Catherine, will provide her with the sanctuary she so desperately needs. Believing she will be able to rekindle their once-strong relationship and find comfort as she comes to term with her own problems, Grace is disturbed to find that her sister has been suffering from paranoid schizophrenia for the past seven years, much like their late mother, who took her own life. Whilst coming to terms with this tragic realisation that Grace uncovers a horrifying family secret, one that not only has her struggling to maintain her own sanity, but will require drastic measures to save herself and her family from further harm.