The story of military hero Eric Carter’s return to the U.S. and the trouble that follows him back – compelling him to ask CTU for help in saving his life, and stopping what potentially could be one of the largest-scale terror attacks on American soil.

CIA officer Carrie Mathison is tops in her field despite being bipolar, which makes her volatile and unpredictable. With the help of her long-time mentor Saul Berenson, Carrie fearlessly risks everything, including her personal well-being and even sanity, at every turn.