Life on the surface has become an almost insurmountable struggle for survivors of the underground city following its collapse.




Drugs become a major issue in the small community, when the line between legal and illegal disappears.




In the midst of trying to survive nature's attacks on the compound, Carter and Jess accidentally run across well-armed men bent on their destruction. However, the citizens face a much worse problem. There are those within their own community who are poisoning their food to cause death and suffering. All this, while Jess is torn between her desire to become a doctor and the necessity to kill.

Throughout it all, a number of discoveries are made that exceed imagination, including weapons of war, each threat and each discovery greater than the one before.

Until the last discovery that absolutely leaves every single person speechless, as The Mars Virus continues to mutate the human.