Three identities, no known name - and an obsessed pursuer from the past.

It took one second to snatch the child. One silent, unseen moment to pluck her from the world. In a click of a finger, a blink of an eye, she was gone. As if, like a bird, she had just flown away.

Kate never speaks about the past, and you would never know at first who she was. But, if you looked closely, you might see how she glances nervously over her shoulder, as if she were being followed. If you paid attention, you might hear how carefully she speaks. And if you were to search, you might find the old newspaper clippings she keeps hidden away: Kidnap Girl "Like Wild animal", The Mysterious Disappearance of "Little Bird".

But these are just fragments of a long buried past - another life, another girl. Secrets left unspoken, until now...