美丽而面带忧郁的高中女孩菲·德鲁赛（苏菲·特纳 Sophie Turner 饰）和父母生活在一栋老旧阴暗的公寓中，她的家庭笼罩在绝望的气氛中，父亲（Rhys Ifans 饰）患有重病，对女儿充满恐慌和担忧；母亲（Claire Forlani 饰）找不到继续的希望，只得在外另结新欢。菲平日里就如同一只孤独且容易受伤的小鸟，战战兢兢。在新近一段时间里，她发现似乎总有一个和自己极其相像的女孩逡巡在她的周围。经历了一系列事件后，菲从母亲那里获悉了她从不知晓的秘密。似乎从这一天起，她的心结终于解开，然而一切并未就此结束。 　　那个和菲一模一样的女孩，终于出现在她的面前……The relationship of the teenager Fay Delussey with her family is deeply affected when her beloved father Don has multiple sclerosis and her mother Ann starts a love affair. Her teacher John invites Fay to perform the important role of Lady Macbeth in a school play and her schoolmate Monica Meldrum is jealous of her with the choice. Soon strange events happen to Fay and she believes that Monica is the responsible for the acts. But her father discloses a family secret about his ghost daughter.