After a message is broadcast implicating the Navy in a devastating disaster, Chandler looks to infiltrate the network and regain the trust of the American people.

Nathan James finds itself trapped between the submarine and civilian blockades.

With their mission now fully dedicated to spreading the cure, Nathan James puts a call out to civilians to meet at pre-selected ports across the country.

CNO Tom Chandler is sent to Asia to investigate a possible mutation of the Red Flu. Captain Slattery and his crew deliver cure to Southeast Asia but there may be an unexpected threat in the region.