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 Burke When 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?