Carrie and Quinn pursue a key suspect in the Langley bombing; Saul faces political backlash; Fara discovers the high toll that an intelligence job can take; the Brody family receive startling news.

Brody embarks on a high-stakes mission, but his fragile condition threatens the operation. Meanwhile, Quinn makes an uncomfortable discovery about Carrie; and Fara is forced to rejoin the team due to a sudden crisis.