Here in an unstable world, absolute hell has broke loose. A vast zombie plague has hit the United States. The surviving people are fighting back. In these dire situations, you would think we would all be working together, but that is hardly the case. Ross Rogers, a gun salesman, has noticed frequent attacks on his colony, Corazón. Enemy factions, using the zombies as their weapons and tools of war, have rained relentlessly on colonies, and they just won't stop. Things couldn't any worse, until the rise of the "Estrella Oscura"...