From the Sunday Times bestselling author of The Things We Do To Our Friends, comes a timely, gripping thriller about the dark underbelly of wellness culture'DARWENT HAS A GREAT CAREER AS A THRILLER WRITER AHEAD OF HER' SUNDAY TIMESWe can fix you.It's a promise that Betsy has heard far too many times. From the child psychologist, from her husband, and from the wellness trends that scream at her from her screen.So far, it's been a lie.But this time, she believes it. Because Betsy has been offered a place at Carn - a luxurious, unorthodox retreat, where healing really is possible. At Carn, she discovers that her imperfections make her unique, not weak. She isn't broken, just special.All Betsy has to do is follow the rules . . .---Praise for Heather Darwent'Satisfyingly dark, cleverly plotted' Emma Flint, Little Deaths'Smart, sophisticated, seductive' S J Watson, Before I Go To Sleep'Startlingly lovely, like a fine, dark silk shivering on your skin' Julia Heaberlin, We Are All the Same in the Dark'A deeply compelling story of friendships turned rotten' Rosemary Hennigan, The Truth Will Out'Dark academia and twisted friendships in gothic Edinburgh - what more could you want?' Cailean Steed, Home