'A dazzling hall-of-mirrors thriller: ferociously smart, furiously paced, and - best of all - honest-to-goodness surprising. All hail Wendy Walker.' AJ Finn Rosie Ferro and Laura Heart are sisters, but as different as it is possible to be. One is lucky in love and has a conventional family: a husband, and a small son. The other has a troubled past she is still struggling to break free from. When Laura disappears after going on a date with a stranger she met online, Rosie, her protector since they were young, springs into action to look for her. But as she slowly uncovers more about...