After agreeing to watch over an American actress at a chic red-carpet event, Emily finds her night — and her famous charge — spinning out of control.

Emily's weekend trip to a friend's château fizzles like day-old champagne. Back in Paris, Mindy's reluctant meet-up with old friends ends on a high note.

A charity auction, a donated gown and an avant-garde design duo add up to trouble for Emily as she catches the eye of Pierre Cadault's heir apparent.

With her job on the line over a Fashion Week debacle, Emily scrambles to devise a new plan while preparing to say adieu to a good friend.