Love, betrayal, and a secret war: the untold story of two elite agents, one Canadian, one British, who became one of the most decorated wartime couples of WWII. On opposite sides of the pond, Sonia Butt, an adventurous young British woman, and Guy d’Artois, a French-Canadian soldier and thunderstorm of a man, are preparing to go to war. From different worlds, they make their way to fight in Winston Churchill's secret army against the German forces and, unlike most involved in the world’s deadliest conflict to date, to fight from behind enemy lines. Their lives first intersect during clandestine training to become agents with the Special Operations Executive. Sonia and Guy learn how to parachute into enemy territory, how to kill, blow up rail lines, support the French resistance, and eventually...how to love each other. But not long after their hasty marriage, their love is tested by separation, by a titanic invasion—and by indiscretion.