Antonia Forrester, an English nurse, is nearly killed while trying to save soldiers fleeing at Dunkirk. Embittered, she returns to occupied Brussels as a British spy to foment resistance to the Nazis. She works with urban partisans who sabotage deportation efforts and execute collaborators, before r sistante leader Sandrine Toussaint accepts her into the Comet Line, an operation to rescue downed Allied pilots. After capture and then escape from...