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.

Cast: Michael Fassbender, Jeffrey Wright, Richard Gere, John Magaro, Jodie Turner-Smith, Katherine Waterston, Julia Westcott-Hutton