The Sunday Times bestseller, a selection of the Richard & Judy Book Club, best thriller, iBooks Best of 2015, nominated for the Ian Fleming Silver Dagger.

"Extremely hard to put down!" - Sophie Hannah

"Moving and hypnotically thrilling... an instant classic." - Lee Child

"Hello." I looked at the pale, freckled hand on the empty barstool next to me in the business class lounge at Heathrow Airport and then into the stranger's face. "Do we know each other?"

Stuck in London, Ted Severson meets a woman at the airport bar. Over cocktails, they share more than they should, and a dark plan is hatched - but are they really serious about it? Could they actually go through with it, and if so, what are their chances of getting away with it? Back in Boston, Ted's wife Miranda is busy.