Damascus, Syria, 2009. Carrie Mathison is leading an operation to capture al Qaeda terrorist, Abu Nazir. But arriving at the compound where he was supposed to be in hiding, they find it empty. Carrie is sure that someone is leaking CIA information to the enemy. To expose the double agent, her boss, Saul Berenson, devises an elaborate ruse that will send her on the most dangerous mission of her life.