Covert CIA agent Martian is compelled to return to London Station, where he unexpectedly reunites with a past love. This rekindled romance complicates his mission and identity, as he navigates a high-stakes recruitment while Poppy's life hangs in the balance. Tension escalates with Mr. Dalaga's pressure on Sami and Bosko's briefing on Valhalla, setting the stage for thrilling espionage drama.