시즌 2・The Agency follows Martian (Fassbender), a covert CIA agent ordered to abandon his undercover life and return to London Station. When the love he left behind reappears, romance reignites. His career, his real identity and his mission are pitted against his heart; hurling them both into a deadly game of international intrigue and espionage.

시즌 1・칼리 포천의 "1년마다"는 첫사랑의 낭만과 향수, 그리고 우리에게 영원히 지워지지 않는 자국을 남기는 사람들과 선택들에 관한 이야기다.