‘Terrifyingly BRILLIANT’MARIAN KEYES, AUTHOR OF GROWN UPS’A book that needed to exist in the world. It is the book that was missing’LISA TADDEO, AUTHOR OF THREE WOMEN AND ANIMAL’Magnificent: I read it one sitting’KATE MOSSE, AUTHOR OF THE CITY OF TEARSSometimes Marisa gets the fanciful notion that Kate has visited the house before. She makes herself at home without any self-consciousness.

She puts her toothbrush right there in the master bathroom, on the shelf next to theirs.In Jake, Marisa has found everything she’s ever wanted. Then their new lodger Kate arrives. Something about Kate isn’t right.