Twenty years ago Claire Scott's eldest sister, Julia, went missing. No one knew where she went - no note, no body. It was a mystery that was never solved and it tore her family apart. Now another girl has disappeared, with chilling echoes of the past. And it seems that she might not be the only one.
Andrea Oliver's mother, Laura, is the perfect small-town mum. Laura lives a quiet but happy life in sleepy beachside Belle Isle. She's a pillar of the community: a speech therapist, business owner and everybody's friend. And she's never kept a secret from anyone. Or so Andrea thinks.