Jess can remember every single detail of every single day since she was eleven. But Jess would rather not be remarkable and, after years of testing at the hands of a ruthless research team, she has finally managed to escape. Just when Jess thinks that she's managing to settle in to living a normal life, everything changes. Her boarding-school roommate dies and new boy Dan appears. Then Jess starts getting hints that someone knows more about her than she would like. Is it time to run again? Will she ever be truly free?