INTERNATIONAL BESTSELLER.#1 NEW YORK TIMES BESTSELLER.THRILLER FROM THE STARS OF DOWNTON ABBEY.INTERNATIONAL THRILLER WRITERS AWARDS FINALIST.GOODREADS CHOICE AWARD NOMINEE.ONE OF THE BOOKS OF THE YEAR GLAMOR AND NEWSWEEK. REESE'S BOOK CLUB SELECTION WITHERSPOON Have you ever wondered how long it takes to dig a grave? Don't guess. A month of Sundays. Feel free to multiply any number that comes to your mind by two. And it all started with a wonderful honeymoon... Erin and Mark are newlyweds. She is an ambitious director, he is an equally ambitious investment specialist. They had a bright future ahead of them until Mark suddenly lost his job. The couple's relationship had cracked, but they were sure that a honeymoon to a tropical coral paradise, the island of Bora Bora, would fix everything. And then, while diving, they discovered something in the crystal clear waters of the Pacific Ocean... Something that forced them to make a terrible choice. Erin and Mark think that this will remain between them. Oh, how wrong they are... Their decision will set off a chain reaction of shocking events. Their choice will turn the lives of the newly-made spouses upside down. And it will not be the last, nor the most terrible... A thriller that questions the hopes to which we desperately cling, testing the strength of our ideals, fragile in the face of temptation, bringing us face to face with the lies that we like to tell ourselves. “Psychological.” a thriller that grabbed me from the first page. A frantic read, you just can't put it down." – Reese Witherspoon “A thriller with skillfully pumped up tension that you swallow in one gulp. A great balance of spice, pace and food for thought." – New York Times “Worthy of Hitchcock himself.” – Sunday Times “A delightful Page Turner.” – New York Post “Incredibly exciting.” – Entertainment Weekly “The threat and missteps are growing at a rapid rate.” – Publishers Weekly “Darning the crown jewel of the thriller world.” – Kirkus Reviews “Exciting and thought-provoking.” – Riley Sager “Pure adrenaline.” – Erin Kelly