American half-sisters Roxeanne (Naomi Watts) and Isabel Walker (Kate Hudson) learn that what passes for worldliness in Santa Barbara doesn't make the grade in Paris, where the semiotics of sugar cubes vs. granulated and accessories could fill a book. Poet Roxeanne is married to aspiring painter, Charles-Henri (Melvil Poupard); younger half-sister Isabel is at loose ends and comes to Paris to spend time with her three-months-pregnant sibling and figure out what she wants to do with her life. She arrives just as Charles-Henri is abruptly abandoning Roxeanne for his girlfriend. Taking their cue from Charles -Henri's formidable mother, Mme. de Persand (Les...