There is a fine line that separates the world above from the dark underground--a line that maintains the division between the 'haves and the 'have-nots”. It's either heaven or hell; ecstasy or despair. And for Casey Williams, this is something he is forced to learn. Roughly thrown into a crowded and dingy corral by Overseer Ross Vincent, this new member of the 'Stock' is about to learn the truth about the 'dark side' of life.