As a woman struggles to come to grips with her past in the wake of her mother's death and the disappearance of her sister, an unsettling presence emerges in her childhood home.As a woman struggles to come to grips with her past in the wake of her mother's death and the disappearance of her sister, an unsettling presence emerges in her childhood home.As a woman struggles to come to grips with her past in the wake of her mother's death and the disappearance of her sister, an unsettling presence emerges in her childhood home.