Keller goes in, does the job, gets out: usually at a few hours’ notice . . . Often Keller’s work takes him out of New York to other cities, to pretty provincial towns that almost tempt him into moving to the woods and the lakeshores. Almost but not quite. But then one job goes wrong in a way Keller has never imagined and it leaves him with a big problem. Finding himself with an orphan on his hands, Keller's job begins to interfere with his carefully guarded life. And once you let someone in to your life, they tend to want to know what you do when you're away. And killing for a living, lucrative though it is, just doesn't find favour with some folks.

    She knows it will wait at the same signal each time, overlooking a row of back gardens. She's even started to feel like she knows the people who live in one of the houses. 'Jess and Jason', she calls them. Their life - as she sees it - is perfect. If only Rachel could be that happy. And then she sees something shocking. It's only a minute until the train moves on, but it's enough. Now everything's changed. Now Rachel has a chance to become a part of the lives she's only watched from afar. Now they'll see; she's much more than just the girl on the train...