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The true story of a former Russian spy - a transformative performance from Scottish actor David Tennant - who was punished for leaking information to MI6 makes for a compelling police procedural. Focusing on the fallout of his death, British writer George Kay (Criminal, Lupin) crafts a solid and sensitively-handled story.


  • Jim Field Smith


  • George Kay


  • David Tennant
  • Margarita Levieva
  • Mark Bonnar


Marina Litvinenko (Margarita Levieva) joins forces with the Metropolitan Police to prove the guilt and release the names of those responsible for the poisoning of her husband Alexander Litvinenko (David Tennant).