They thought they’d buried their secrets with her. They were wrong.

Life has been good to Stephanie. Married to college professor, Oliver, with two adorable children, she lives in a lovely house, surrounded by beautiful things.

It hasn’t always been like this.

Nine years ago, Stephanie’s flatmate Alison vanished, presumed murdered. It was a horrible time, and Stephanie tries hard not to think about it.

But when a TV researcher working on a true crime series wants to interview her about the case, Stephanie is forced to confront the past and recognise that she has a deep need to answer one burning question – what happened to Alison?

It soon becomes clear that someone doesn’t want her digging for the truth and is willing to do anything to conceal a shocking web of lies. As her perfect life unravels, Stephanie realises that by opening a door into the past she has woken a sleeping monster. And now her own life is on the line…

What She Knew – the stunning psychological thriller from the best-selling author of The Visitors and The Arrangement.