It is 1939‎.‎ Eva Delectorskaya is a beautiful 28‎-year‎-old Russian emigree living in Paris‎.‎ As war breaks out‎,‎ she is recruited for the British Secret Service by Lucas Romer‎,‎ a mysterious Englishman‎,‎ and under his tutelage she learns to become the perfect spy‎,‎ to mask her emotions and trust no one‎,‎ including those she loves most‎.‎ Since the war‎,‎ Eva has carefully rebuilt her life as a typically English wife and mother‎.‎ But once a spy‎,‎ always a spy‎.‎ Now she must complete one final assignment‎,‎ and this time Eva can‎'‎t do it alone‎:‎ she needs her daughter‎'‎s help‎.‎