Paris, 1940. With the city occupied by the Nazis, three young seamstresses go about their normal lives as best they can. But all three are hiding secrets. War-scarred Mireille is fighting with the Resistance; Claire has been seduced by a German officer; and Vivienne's involvement is something she can't reveal to either of them. In wartime, the three seamstresses face impossible choices when their secret activities put them in grave danger.