Annie and McQuaid struggle to escape Argentina with assassins hot on their trail; Belenko's final plan is put into action

Annie and McQuaid's relationship deepens as they track down Belenko's next target in Buenos Aires. Calder's pursuit of the truth lands him in hot water. Joan determines that it's in the CIA's best interest to keep Belenko alive.

Annie and McQuaid sneak into Russian territory to find Belenko while Auggie is involved in a confrontation resulting from unanswered questions from his past.

Annie works with an ally to expose Belenko's misdeeds; McQuaid and Joan head into the field; Calder asks Sydney to make a dangerous gamble.

Annie searches for a rogue chemist in Germany after Auggie uncovers a startling link between the recent attacks on American soil. Elsewhere, Joan's time in the Balkans rouses suspicions after an unplanned polygraph.

Annie heads towards Istanbul where she hopes to apprehend Belenko.

Despite Auggie's wishes, Annie helps McQuaid with a tough mission. Elsewhere, Hayley is determined to find the truth before disaster strikes U.S. soil.

Annie initiates an undercover mission without CIA support while Calder interrogates Auggie regarding a breach of protocol. Meanwhile, a new recruit arrives at McQuaid Security.

Annie and Auggie research a conspiracy theory that may shed light on the attack on the CIA. Elsewhere, Joan and Calder make a difficult decision.

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 accepts an invitation to the Russian Embassy in Paris; Auggie tries to juggle multiple relationships; Joan deciphers Arthur's recent business trip.

Auggie's history with a potential asset causes complications; Joan tries to play matchmaker for Calder; Arthur goes abroad.

Annie begins a stakeout; the CIA learns that a member of the intelligence community may have leaked intel; Joan and Arthur compete for funding; Calder's personal and professional lives collide.

Annie and McQuaid join forces to escape Venezuela; Joan, Arthur and Caitlyn Cook work to extract the operatives; Calder's affair has a new dimension.

Annie considers working with Ryan McQuaid to catch a terrorist in Venezuela; Auggie is questioned by the NCTC; Calder and Joan maneuver through their new working relationship.

Annie and Auggie consider their future; Calder and Joan learn who will be the new DCS; Arthur considers a career in the private sector.