シーズン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.

In a world ravaged by otherworldly creatures called 'Breakers', teenage Willa and her wounded father survive on a remote island. As the Breakers close in, Willa and Dad must escape and fight to stay alive, with the real battle still ahead.