Love in the Afternoon (1957) Gary Cooper, Audrey Hepburn, Maurice Chevalier

French private investigator Claude Chavasse (Maurice Chevalier) discovers his client s wife has been having an affair with an American playboy, Frank Flannagan (Gary Cooper). When the client decides to kill Frank, Claude s sheltered daughter, Ariane (Audrey Hepburn), throws off the plan and saves his life. The two are instantly attracted to one another, but Ariane doesn t reveal her name. Frank then hires Claude to locate Ariane, unaware he has sent him on a mission to find his own daughter.