Liv can't get on with her own life - not as long as the ghost of her twin sister, Molly, who died at birth, has been her constant companion: a part of her that no one else can see or hear. Liv meets a boy called Echo, who is searching for the truth about his mother's death, and despite Molly's concerns, Liv is drawn to him. How far is Echo willing to go to uncover the truth? And will Liv trust her senses ... before it's too late? 12+ A teen thriller from the author of the 'Slated' trilogy.