Carrie Mathison, a brilliant but volatile CIA agent, suspects that a rescued U.S. 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. Packed with multiple layers and hidden clues, Season One offers something new every time you see it...watch carefully.