Vanished

He got on the train. He didn't get off. So where did he go? On a normal London moening, Sam Wren gets onto a tue triain - and then never gets off again. No eyewitnesses. No trace of him on security cameras. Six months later, he's still missing. Out of options and 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. And, 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 . . .