December 1942. Julia, a young schoolteacher, watches powerlessly as her husband Paul, a resistant fighter, is arrested by the Gestapo. Thrust into an underground resistance network determined to rescue Paul, Julia must accept a highly dangerous undercover mission with the German military command. But when she falls passionately in love with André, a supporter of the collaborating French government, Julia is caught between her duty to her husband and the call of her heart. She will have to face the hardest choice of her life.