Muslim prince Ali and Georgian aristocrat Nino have grown up in the Russian province of Azerbaijan. Their tragic love story sees the outbreak of the First World War and the world’s struggle for Baku’s oil. Ultimately they must choose to fight for their country’s independence or for each other.

Carrie Mathison's body is healing, but her memory remains fractured. While trying to broker peace with the Taliban in Afghanistan, Saul is dependent on his protégé's expertise. Against medical advice, Saul asks Carrie to assist him one last time.