Allied (2016)

In 1942, a Canadian intelligence officer in North Africa encounters a female French Resistance fighter on a deadly mission behind enemy lines. When they reunite in London, their relationship is tested by the pressures of war. As they pose as husband and wife, their mission is to kill the Nazi ambassador. After completing the mission, they marry and have a daughter. However, their happiness is shattered when the officer is informed that his wife is suspected of being a German spy. He decides to investigate the truth on his own, leading to a devastating conclusion.