Now a major new TV series starring Emma Appleton and Colin Morgan The incredible new break-out thriller from the bestselling author.

Ingrid will never forget what John did.

The people he hurt. The way he lied about it so easily. The way she defended him.

Now he’s back.

He says a murderer is after her. He says only he can protect her.

Would you trust him?

The clock is ticking for Ingrid to decide. Because the killer is ready to strike…

'Nobody understands the dark gap between justice and the law better than Jane Casey' Val McDermid

‘Cool, accomplished, compulsive’ Cara Hunter

‘Extremely tense and very gripping’ Ruth Ware

‘A compulsive page-turner ’ Steve Cavanagh

‘A breathless game of cat-and-mouse’ Erin Kelly

‘A truly masterly thriller’ Liz Nugent

‘Tense and well-plotted’ Harriet Tyce

‘Each twist tightens the screw’ J. R. Ellis

‘Tense, pacy, addictive’ Sarah Vaughan

‘Brilliant plotted’ Catherine Cooper

'One of my favourite writers’ Dervla McTiernan

‘Twisty and unexpected’ Ann Cleeves

‘Heart-stopping twists ’ Sarah Hilary

‘Endlessly surprising’ Catherine Ryan Howard

‘One of those 'just one more page' books’ Susi Holliday

‘Authentic, tense, thrilling’ Will Dean

‘Intricate’ Jane Shemilt

'Fast-paced’ Jo Spain

‘Brilliant’ The Times

‘Creepily good’ Daily Mail

‘Chilling’ Sunday Times