Charlotte Nicholls has a secret that haunts her. She and three-year-old Chloe have left their home and friends, and are now building a new life for themselves elsewhere. All Charlotte wants to do is to forget the past, to blot out what went before, and to look only to the future. At last she and Chloe feel safe. Then, suddenly, their nightmare returns, and Charlotte finds she has no power to prevent what comes next . . .