Tomas is a doctor and a lady-killer in 1960s Czechoslovakia, an apolitical man who is struck with love for the bookish country girl Tereza; his more sophisticated sometime lover Sabina eventually accepts their relationship and the two women form an electric friendship. The three are caught up in the events of the Prague Spring (1968), until the Soviet tanks crush the non-violent rebels; their illusions are shattered and their lives change forever.

Evelyn Salt is a CIA agent and highly respected by all, including her boss, Ted Winter. Out of the blue, a Russian spy walks into their offices and offers a vital piece of information: the President of Russia will be assassinated during his forthcoming visit to New York City to attend the funeral of the recently deceased U.S. Vice President. The name of the assassin: Evelyn Salt. Concerned about the safety of her husband, who she cannot contact, she goes on the run. Winter refuses to accept that...