This thriller evokes 1973 Moscow and a world of diplomacy and counter-espionage. It's 1973 and Martha has been sent down from Cambridge for distributing left-wing leaflets and doing no work. To escape parental disapproval, she marries her friend Kit, posted to Moscow by the diplomatic service. Kit is gay, so having a wife could keep him safe. In Moscow, Martha struggles to make sense of a difficult by fascinating new world.