In the second book of the Rail Legacy, the Wild West metropolis of Railroad City faces an even larger threat. Already overwhelmed by military intervention, the Rail's stalwart duo, Professor Epsom and Aretha Astin, are being targeted by the secretive group only they know of: the Stimuli Club. But the Club will not strike directly at them. Oh no. This wicked shadow will cast its darkness over the Rail's underbelly, harming everything the heroes care for, destroying the very foundation of America...