Season Premiere. A plague has decimated society. While many struggle to live in the new harsh world, a group of survivors have established a new civilization called Beginnings.
Joe Slagel tries to maintain balance in the community. While many residents have established a normalcy, many, including Joe's son refuse to see how hard the world has made them.
In an attempt to recall something, Frank drives everyone in town nuts as he tries to figure it out. Meanwhile, one person has forgotten, Robbie Slagel is alive.
Trouble brews in Beginnings social transition program, reiterating to Frank once more that outside the walls of Beginnings there are no civilized people remaining.
Everyone is convinced Frank is being ridiculous about his concerns. But his gut instinct proves correct when out of the blue, Beginnings faces a huge hurdle they weren't expecting.
Season Finale. Beginnings recovers from a loss and tries to return to normalcy. Trust is broken, hearts are crushed, Robbie pushes forward with hopes of finding his family.
It's a race against the clock to stop the release of a biological weapon that could very well be the catalyst to the extinction of mankind.
Despite Joe Slagel's attempt to stop it, the deadly virus has been unleashed. All efforts are being made to contain the virus before it is too late.
Panic ensues as the virus strikes with a vengeance and society begins to break down. The outbreak shows no signs of weakening. Joe heads north to be with his family, while Catherine Donovan and Dean Hayes work diligently to find a cure.
The world falls apart. Joe and Ellen struggle to keep their family together. While it looks like the virus is winning, Dean doesn't give up and may get a fighting chance when a soldier named, Dan arrives.
The rest of the world is quiet but there is a ray of hope in Ashtonville as Dean works on the cure. Frank Slagel nears home and the President arrives with news.
The final days of the virus have come and the survivors in Ashtonville begin the plan for the next phase of their lives.