The instant New York Times bestseller from the author of Sometimes I Lie

‘Not just fiendish but positively Feeneyish – dark, ingenious and very clever’ Cara Hunter, author of Close to Home

Ten years of marriage.
Ten years of secrets.
An anniversary they’ll never forget.

Adam and Amelia are spending the weekend in the Scottish Highlands. The remote location is perfect for what they have planned.

But when their romantic trip takes a dark turn, they both start to wonder – can they trust the one they’re with?

Because every couple tells little white lies. Only for Adam and Amelia, the truth is far more dangerous.

‘A cleverly crafted novel with a grand twist’ Stella magazine

‘I loved it!’ Sarah Pinborough, author of Behind Her Eyes

‘Creepy, gripping and oh-so readable, we loved this! Fabulous magazine

‘Chilling and clever, with a twist so sharp you’ll get whiplash’ Chris Whitaker, author of We Begin at the End

‘A riveting thriller that explodes with a jaw-dropping climax’ Woman’s Weekly

‘A clever, cunning read and one where you expect a twist, but when it comes, it’s so perfect and wonderful that you want to tell everyone’ Belfast Telegraph

‘A staggering novel filled with tension, suspense, and an ending that will leave you flabbergasted’ Samantha Downing, author of My Lovely Wife

'The reader never quite know who's telling the truth about who they really are' Cosmopolitan