The crew of a lone naval ship try to save humanity when they discover a deadly virus has wiped out most of the population.
The crew members arrive at the Guantanamo Bay military base to collect food, fuel and medical supplies.
The crew faces a new foe targeting Rachel and her research, leading Chandler to engage in a series of dangerous strategic maneuvers.
Chandler's leadership is put to the test when the ship's propulsion system is in danger of breaking down.
A mission to help Rachel with her vaccine trials leads Chandler and a small team into the jungles of Nicaragua.
Panic spreads when Danny Green catches a mysterious illness that might be the virus.
A distress call near Jamaica is received. Chandler and a small team stage a rescue mission, only to fall victim to a surprise attack.
Slattery assumes the role of commanding officer when Chandler and Tex get ensnared in a perilous situation.
The crew of a naval destroyer is forced to confront the reality of a new existence when a pandemic kills off most of the earth's population.
Chandler and the crew journey home and a political power player battles a menacing warlord.