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 helps McQuaid with a difficult mission, against Auggie's wishes; Hayley's hunt for the truth becomes more dogged.

McQuaid's health hangs in the balance; Annie seeks information in Istanbul; Arthur takes control of McQuaid Security; Calder has a new recruit.

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