Apocalypse: America lies Dying

The United States of America are no more. The people left to fend for themselves with no governments, cites, electricity, grocery stores, medicines... It's all gone. In face most of the people are gone with it and those that are left are unsure of strangers. Untrusting of anyone. There are rumors of dead coming to life again. There are rumors of some of the larger cities surviving only to be taken over and run by gangs now. Follow a group who come together and then make their way across part of what is left of the country. They are only looking to survive what is left of the world they used to know, but their chances are very slim...