"It is close to midnight on a Saturday night when Jack Reacher gets off a bus at the Greyhound station in Nashville. Reacher is in no hurry. He has no appointments to keep. No people to see. No scores to settle. Not yet anyway. But in the early morning hours, under particular circumstances, a familiar thought will be snaking through his sharp, instinctual lizard brain: A voice in his head telling him to walk away. Of course, this wouldn't be the first...

Follows the progress of school buses as they take children to school and bring them home again.