Lex and Leo clash over their next move after a failed plan threatens to unravel their entire case. When word begins to spread that there may be a way out of the cordon, Jana considers her options. Finally, an unexpected turn of events brings Jake and Katie closer than ever.
Lex ends up clashing with Capt. Scott. The data recovery center is under attack.
As life returns to normal, Lex moves forward with to try and reveal the truth about a possible government cover-up.
Lex and Dr. Lommers clash over how to pull off a food drop within the cordon. Katie looks for answers.
Things become more dire inside the situation room. Lex becomes more frustrated by the false hope he's forced to send to the public.
Controversial videos featuring chaos inside the cordon sees Lex requesting reinforcements.
Lex finds out that a woman who had close contact with an infected patient has disappeared.
An epidemic breaks out in Atlanta leaving the large city quarantined and those stuck on the inside fighting for their lives. This is the story of loved ones torn apart, and how the society that grows inside the quarantine reveals both the devolution of humanity and the birth of unlikely heroes.