What do you do when what you need for survival clashes with official policy?The town of Emmaus has survived terrorism and radioactive rain with no help from the government, but that's all about to change. Things appear to be looking up as power and communications are restored, but a devastating corn field fire puts the town's survival at risk just as the USDA's cow cops arrive to coordinate crop redistribution. While Shane and Rob work to save the town, Cai -- on the run from the Army for Shane's actions -- comes face-to-face with the reality of martial law.What's a law-abiding town of individualists supposed to do when the rules of civil society change? The people of Emmaus must decide.