After an elderly mother inexplicably vanishes, her daughter and granddaughter rush to the family's decaying country home, finding clues of increasing dementia scattered around the house in her absence. When the missing woman suddently reappears, she is unwilling or unable to say where she's been. Things worsen when it appears an insidious presence in the house might be taking control of her. Mystery horror, starring Emily Mortimer, Robyn Nevin and Bella Heathcote