The author tells enough about this dystopian society to showcase the two opposite societies. The affluent are the only ones, that are allowed to enjoy much of a life in the richer society above ground. The underground could be used like a metaphor for those who can't even enjoy the shadow societies above ground, and roam with fear from the those who are willing to take from the weaker. The society that can't enjoy access to the London Monorail. They would not be allowed to use it with the required dress code, and the high user fees they couldn't afford. Rob hears the sounds of the trains that used to run before, and he goes below to seek the ghosts of the past. The past was dead, and the previous life of being able to roam without restrictions along with being free went too. The difference was that the gangs of jobless kids weren't there in the past to roam the streets, and they take what they could find to survive. The world of the street scavengers live under the shadows of the London Monorails. I like the analogy of this stort story, and an old man to explain how, he had to make it in a dangerous above ground world. He has to carry various weapons just to do that existence. He runs into Rob, and we get his perspectives on the past and the trains underground. I will read some more from author Chris Ward on his Tube Riders novel and other novels, stort stories and collections.