Having lost a number of essential personnel to Nazir's terrorist plot against the U.S., the CIA issue polygraph tests on everyone who had contact with them. This includes Brody, which Carrie hopes will reveal the truth about him.

While Carrie and Saul are left reeling by the news that Walker is alive, the intelligence organisations squabble over how to capture him. The FBI leans toward using the public's help, but Carrie thinks they should use his family to draw him out. Elsewhere, Brody sets out to find a mysterious man who has surprising info about his years as a captive.