Think you know your neighbors? Think again.When actress Allison Langley leaves her former rockstar husband in the middle of the night, her sudden departure becomes the talk of upmarket Oak Hill. But the relentless gossip comes to an abrupt halt when five-year-old Billy Barnes disappears on his walk home from kindergarten. Is there a predator lurking in the leafy suburb? Weeks later, three-year-old Amy-Pat Davies vanishes from her backyard. In addition to sharing a zip code, the missing children have another thing in common – their babysitter, Cassidy McLean, who has a secret of her own.Perfect for fans of Liane Moriarty, Adele Parks and Sally Hepworth.