''There''s only been one time that Rose couldn''t stop me from doing the wrong thing and that was a mistake that will haunt me for the rest of my life.''Fern Castle works in her local library. She has dinner with her twin sister Rose three nights a week. And she avoids crowds, bright lights and loud noises as much as possible. Fern has a carefully structured life and disrupting her routine can be . . . dangerous.When Rose discovers that she cannot fall pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.Fern''s mission will shake the foundations of the life she has carefully built for herself and stir up dark secrets that she long thought were buried.****************************************************Praise for Sally Hepworth:''Women''s fiction at its finest'' LIANE MORIARTY''Clever, chilling and beautifully crafted'' ADELE PARKS''The characters are so beautifully drawn and it was an emotional read, but I couldn''t put it down'' HEIDI PARKS''Sally demonstrates that you don''t need outlandish situations and monstrous characters to write a thoroughly engrossing, suspenseful thriller, and her writing feels so effortless'' EMMA CURTIS''It''s not often that such a gripping page-turner can be so moving'' SARAH NAUGHTON''Cleverly plotted and completely compelling'' NICOLA MORIARTY