Annie and Auggie consider their future just as a connection from the past resurfaces and leads Annie on a race against time to prevent a terrorist attack on U.S. soil. Elsewhere, tension mounts between Calder and Joan as they wait to see who will become the new DCS and Arthur considers about a career in the private sector.

After a botched escape attempt, Annie and McQuaid combine forces to get out of Venezuela. Joan works with Arthur and his new co-worker, Caitlyn Cook, to extract their fellow operatives. Calder’s clandestine affair takes on a new dimension.

Auggie's emotional history with a potential asset complicates a mission when he and Annie switch roles as operative and handler in Paris. Joan attempts to play matchmaker for Calder. Arthur heads on his first operation abroad for McQuaid Security.

Annie and McQuaid search for an off-grid ex-CIA agent in Azerbaijan; Auggie learns upsetting information about an old friend; Calder has a confrontation with Joan.

Annie and Auggie dig into a conspiracy theory about the attack on the CIA; Joan and Calder must make a difficult decision.

Annie searches for a rogue chemist in Germany; questions about Joan's time in the Balkans.

Annie and McQuaid must sneak into Russian territory in pursuit of Belenko.

Annie and McQuaid's relationship deepens while tracking down Belenko's next target.