Covert CIA agent Martian is ordered to abandon his undercover life and return to London Station. When the love he left behind unexpectedly reappears, their romance reignites, pitting his career, his real identity and his mission against his heart while hurling them both into a deadly game of international intrigue and espionage.
E1 ∙ The Bends
Covert CIA agent Martian is called back to London Station. An incident in Belarus puts Bosko and Henry on a collision course with Langley. Danny learns a lesson. Someone unexpectedly reappears in Martian's life. Series premiere.
E2 ∙ Wooden Duck
Dr. Blake arrives from Langley and is put to a test by Martian and Henry. A spooked source threatens to put an operation at risk. Danny's cover is put in play. Martian, overtaken by events, begins to question Sami's motives.
E3 ∙ Hawk from a Handsaw
Henry questions Martian's thinking. Bosko is briefed on a top-secret operation. Poppy makes a startling discovery. Martian confronts Sami about why she's in London and finds a needle in a haystack, before a heated session with Dr. Blake.
E4 ∙ Quarterback Blitz
Henry and Martian wade into a diplomatic incident with the Belarusian delegation. Dropped into her mission by Naomi, Danny walks a tightrope. Poppy and Martian attempt a fresh start. Osman threatens Sami.