Marine Sgt. Nicholas Brody is now a U.S. congressman, and former CIA agent Carrie Mathison has returned to civilian life. But when a new and potentially devastating terrorist threat emerges, Brody and Carrie's lives become intertwined once again and they resume their delicate dance of suspicion, deceit and desire.

As famine and death ravage Richmond, VA, five northern Civil War POWs plan a daring escape by hijacking a hot air balloon. Drifting through the night, they wake to find themselves marooned on a desert island, but they're not alone. Littered with wreckage, the island is home to a cast of survivors who have been lost in space and time. Forced to defend themselves against vicious pirates, terrifying creatures and a volcano that's ready to blow, they...

Carrie Mathison, a brilliant but volatile CIA agent, suspects that a rescued American POW may not be what he seems. Is Marine Sgt. Nicholas Brody a war hero or an Al Qaeda sleeper agent plotting a spectacular terrorist attack on U.S. soil? Following her instincts, Mathison will risk everything to uncover the truth - her reputation, her career, and even her sanity.