Mr. Dalaga ups the pressure on Sami. Bosko is briefed on the scope of Valhalla. Jerome is advised to listen to his horoscope. Martian's hand is forced when Poppy's life is under threat; with Henry and the team he strategizes a high-risk recruitment.
Martian is 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.