A young couple from Mexico decide to come to the U.S. in search of the "American Dream". Illegals in a foreign country, no family, no friends. They are forced to confront the choices they have made.

Ben is placed in harm's way by someone who he thought he could trust. And when the 2nd Mass are trapped in the basement, the situation takes a turn for the worst.

Season three opens seven months after the 2nd Mass arrived in Charleston. Tom has been elected as a political official of Charleston, but he has his hands full as the resistance continues to battle the alien invaders. The newly formed alliance Tom formed with a new alien race gains them their first real advantage in the war against the invading Espheni.