No life is perfect. Everyone has secrets. For millions of Londoners the morning of 17 December is just like any other. But not for Sam Wren. An hour after leaving home he gets onto a tube train
- & never gets off again. No eyewitnesses. No trace of him on security cameras. Six months later he's still missing. Out of options & desperate for answers Sam's wife Julia hires David Raker to track him down. Raker has made a career out of finding the lost. He knows how they think. & in missing person cases the only certainty is that everyone has something to hide. But in this case the secrets go deeper than anyone imagined. For as Raker starts to suspect that even the police are lying to him someone is watching. Someone who knows what happened on the tube that day. & with Raker in his sights he'll do anything to keep Sam's secrets to himself...