Moscow, summer of 1953. Tanya, an eleven-year old girl, meets a boy, Mitya. Mitya and his family have just returned from exile in the Russian Far East. Tanya learns that Mitya had to leave behind his best friend, a dog called Hector. Mitya is eager for Hector to join him in Moscow, but the adults declare it impossible - a large city is no place for a dog. In an attempt to prove the adults wrong and convince them to bring over Hector, Mitya and Tanya decide to create the perfect home for him - a dog's paradise in an empty sealed room they find in the building...
A former US Operative, who lived in Russia in his earlier years and had been married there with a child, comes out of retirement to face down a former enemy, now running as a candidate for President in modern Russia. Working with a Russian policewoman, they work to uncover a plot to use biological weapons against certain factions of the Russian people to commit genocide. The virus would also be released in other populations, but would be treated making the candidate a hero. A side plot has the agent being reunited with his long lost daughter.