'Tear-jerking and spine-tingling' New York Times * THE SUNDAY TIMES BESTSELLER ** THE NEW YORK TIMES BESTLLER ** A BBC RADIO 4 BOOK AT BEDTIME PICK ** WINNER OF THE RICHARD AND JUDY DEBUT NOVEL AWARD *You're missing. I'm coming to find you . . . When Beatrice gets a frantic call in the middle of Sunday lunch to say that her younger sister, Tess, is missing, she boards the first flight home to London. But as she learns about the circumstances surrounding Tess's disappearance, she is stunned to discover how little she actually knows of her sister's life - and unprepared for the terrifying truths she must now face.The police, Beatrice's fiance and even her mother accept they have lost Tess, but Beatrice refuses to give up on her. So she embarks on a dangerous journey to discover the truth, no matter the cost.