The compulsive thriller from the Sunday Times bestselling author of Everything but the Truth and Anything You Do Say. You'd trust your sister with your life. But should you?

'An exceptional thriller with a thumping, emotional heart' Heat

'Addictive, clever, twisty. McAllister's best book yet' Sun

The police say she's guilty.

She insists she's innocent.

She's your sister.

You love her.

You trust her.

But they say she killed the person you care about most.

_________________

'I read it in a breathless day and a half - I loved every page, every character, every twist and turn' Lisa Jewell (Then She Was Gone)

'As tense as a piano string' Sunday Times

'Tense, compelling, the suspense is expertly controlled' Daily Mail

'One of the best courtroom dramas I've ever read' Cara Hunter (Close to Home)

'I loved this gripping and thought-provoking read' B A Paris (Behind Closed Doors)

'I'm still wrestling with the brilliantly written dilemma at its heart' Fiona Barton (The Child)

'Intelligent. Compulsive. Heart-wrenching' Jane Corry (The Dead Ex)

'Ingeniously constructed, with cliff-hanging suspense' Louise Candlish (Our House)

'The verdict - lock me up so I can read it again! Unforgettable' Liz Lawler (Don't Wake Up)

'One of the most gripping and moving books I've ever read' Holly Seddon (Try Not to Breathe)

'Original, beautifully wr