A gripping psychological thriller from the author of the bestselling Try Not to Breathe. Robin and Sarah weren’t the closest of twins. But they loved each other dearly. Until they were taken from one another. Now in her early 30s, Robin lives alone. Agoraphobic, she spends her days pacing her house and watching the street and the neighbours. Until one day, she sees something she shouldn’t. And Sarah? Sarah got the good-looking man, the beautiful baby, the perfect home. But she’s just been accused of the most terrible thing of all. She has to come to terms with something that happened a long time ago. And to do that, she needs to find Robin. But now Sarah isn’t the only person looking Robin. As their paths intersect, something dangerous is set in motion, leading Robin and Sarah to fight for much more than their relationship.