The wedding of Vincent and Berenger does not begin well. For starters, the fabulous cake for the reception falls apart as the butler of the château, and one of the caterers is taking down a flight of stairs falls. The cream puffs are carefully picked up from the floor an arranged as though nothing happened. The bride comes from a bourgeois family, presided by Maddie, an old lady with a secret in her heart. The wedding, to be performed at the local church, by father Victor, proves to be not the classic marriage that has been planned...

May 1944, a group of French servicewomen and resistance fighters are enlisted into the British Special Operations Executive commando group under the command of Louise Desfontaines and her brother Pierre. Their mission, to rescue a British army geologist caught reconnoitering the beaches at Normandy.