Sarah McAdams has come home to renovate the old mansion where she grew up and brings her daughters with her. Ever since the original mistress of the house fell to her death almost a century ago, people believe the place is haunted. But there's a more urgent menace in town: teenage girls are disappearing. Sarah fears for her daughters and the walls begin closing in on her. Deep in her memory is the key to a very real and terrifying danger. Only by confronting her worst fears can she stop the nightmare.