An adaptation of the Noel Coward play in which an American divorcee, Larita Huntington (Biel), travels to the South of France and marries young wealthy Englishman John Whittaker, played by Ben Barnes, on the spur of the moment. The couple return to England to face his unapproving family, including his parents, Mr. and Mrs. John Whittaker, played by Colin Firth and Kristin Scott Thomas.