Harry Willard, a Terre Haute plumbing contractor, and Katie, his wife, have spent years planning and saving for a trip abroad. Finally their dream is realized, and along with their three children--teenagers Amy and Elliott, and 12-year-old Skipper--they arrive in New York to board the Europe-bound S.S. United States, has been stripped and is moored at Pier 82 in Philadelphia. PA. Even before the ship has left the pier, Harry's troubles begin when Amy becomes involved with playboy Nick O'Mara, the son of a giddy American who has married into European royalty. Once in Paris, Katie acquires a chic coiffure which captures the eye of Rudolph, a handsome Hungarian, and Elliott falls for an intriguing French girl. Harry, on the other hand, tries to please little Skipper by taking him on a tour of