A Sunday Times and Observer Thriller of the Month'Deliciously good . . . Swanson's best thriller yet.' Observer 'Gripping, twisty . . . I could not put it down.' Alafair BurkeWhen Hen and Lloyd move into their new house, they're relieved to meet another childless couple in their neighbourhood, Matthew and Mira. But when they're invited over for dinner, Hen thinks she sees something suspicious in Matthew's study.Could this mild-mannered schoolteacher really be hiding a dark secret, one that only Hen might know about? And even if she's right, who would believe her?