The Griswolds are going on vacation. In the driver's seat, of course, is Clark Griswold (Chevy Chase), an Everyman eager to share the open road and the wonders of family togetherness with his wife and kids. Myriad mishaps, crude kin (Randy Quaid), encounters with a temptress (Christie Brinkley), financial woes, Aunt Edna (Imogene Coca) on the roof, one security guard (John Candy) and 2,460 miles later, it is indeed a wonder the Griswolds are together. There’s never been a family vacation like it.