When Rowan comes across the advert, it seems too good to be true: a live-in nanny position, with an extremely generous salary. What she doesn't know is that she's stepping into a nightmare - one that will end with her in a cell awaiting trial for murder. She knows she's made mistakes.

But she's not guilty - at least not of murder. Which means someone else is...

'Eerie and Tense' Prima

'Deliciously dark and spooky' Sunday Mirror

'Powerfully atmospheric, unguessably twisty' Louise Candlish, bestselling author of Our House

'Ruth Ware just gets better and better' Lisa Jewell, bestselling author of The Family Upstairs