An unlikely trio try to prevent World War III: the U.S. secretary of state in Washington, D.C.; a low-level diplomat in Islamabad; and a stressed-out Navy fighter pilot on an aircraft carrier in the Red Sea.

Alex is captured by Zaman's soldiers and subjected to intense interrogation when they suspect he's working for the CIA. Walter begs the president to delay the air strikes until he can reach someone in the Pakistani government, and Zeke and Glenn continue their high-stakes mission under extreme circumstances.

Alex needs to get to the U.S. embassy to send a message to Walter, but he'll have to get past the ambassador to do it. Meanwhile, Zeke and Glenn land in the brig to await their disciplinary hearing, and Walter's desperate flight to India could be in jeopardy due to a medical emergency.

Alex gets advice from Walter before his crucial rendezvous with Raja. Walter works around a medical emergency and interference from above to cut a deal with India's foreign minister. Zeke realizes he's promised more than he can deliver to the women in his life.

Zeke and Glenn are rescued by an eccentric English couple after escaping their armed captors. Alex and Rafiq find Fareeda hiding at her school with a group of female students who have nowhere to go. Walter defies the president by flying to Israel to meet with the prime minister.

Walter runs into Joanne in Tel Aviv and tries to use her new position to his advantage. Zeke and Glenn, who are being held hostage by Martin and Vanessa, agree to participate in role-playing games in hopes of being released. Kittredge shares a revolutionary dream with Alex.

Zeke is challenged to a fight. En route to DC, Walter fakes a medical emergency to force an unscheduled landing. With the American Embassy on lockdown, Alex plots an escape.

With tensions rising in Islamabad, Walter tries to convince the President to act with caution. On the aircraft carrier, Zeke must deal with the women in his life before he and his fellow pilots get new orders. Inside the Embassy, Alex tries to make amends with Rafiq and Fareeda.

Walter tries to strike a deal with Zaman's highest-ranking general. Zeke and Glenn find a way to pass the time after being grounded. With Rafiq translating, Alex tries to figure out if and when he should initiate Walter's "Plan B."