First, Patrick receives the mysterious DVDs. They show invasive footage of him in the privacy of his own house. Soon, Patrick and his wife Ariana find themselves questioning everything and everyone as their lives unravel. Someone is clearly out to get them.

And then, the email arrives:

Go Alone

Do What We Say

Or She Dies...

An adrenaline-fuelled, page-turning thriller from the author of Richard & Judy Book Club bestsellers Orphan X and You're Next.

Praise for Gregg Hurwitz

'Outstanding in every way' Lee Child
Thriller writing at its best' Tess Gerritsen