World War II is going on in Europe. Hitler and the Nazis have a tight grip on the continent, but the Allied forces are set to invade in June of 1944. This is what the history books tell us. However, there's more to the story than anyone understands. On D-Day, as the Allies are storming the beaches of Normandy, a strange ship appears over the action and begins firing indiscriminately on the soldiers of both sides. It is the beginning of an invasion.
Ella is sleeping with the enemy, to get intelligence for the French Resistance. When orders come from the Allies to cause a distraction, the best one they can come up with is to set a bomb off at a Nazi birthday party. But this bomb will set off more confusion than Ella and her cohorts can comprehend.