Sisters Annie (Caity Lotz) and Nicole (Agnes Bruckner) uncover a terrifying secret about their family's past after returning home for their mother's funeral, and they experience a number of paranormal shocks while spending the night in the house where they were raised. With only a bizarre photograph of their mother posing with a mysterious woman and a series of frightening dreams to guide them, the two sisters delve into the past and find that some mysteries are best left unsolved.