"1937. War with Germany is dawning, and a civil war already rages in Spain. Split across political lines, the six Mitford sisters are more divided than ever. Meanwhile their former maid Louisa Cannon is now a private detective, working with her policeman husband Guy Sullivan. Louisa and Guy are surprised when a call comes in from novelist Nancy Mitford requesting that they look into the disappearance of her Communist sister Jessica in Spain. But one...