Despite the Falling Snow (2016)

Watch Despite the Falling Snow: In 1950s Moscow, communist Katya secretly spies for the Americans in the Cold War arms race. When she lands her biggest assignment, stealing secrets from rising government star Alexander, the last thing she expects is to fall in love with him. Reconciling her passion for him with her beliefs about communism means making the greatest sacrifice - of her life - a sacrifice that Alexander only uncovers thirty years later.