Lovely Tia Carrere's ex-cop ex-husband (Peter Weller) goes to Las Vegas to try and win her back after a stint in the slammer. Too bad she's hooked up with bad boy casino owner Dennis Hopper, who doesn't waste time making Weller's life hell.
Once again the Griswold's are taking a family vacation - this time to Las Vegas. And of course, this vacation quickly turns into the trip from hell. Clark can't hold on to his money, his wife who is being seduced by Wayne Newton, his son Rusty who's luck won't quit or his daughter Audrey who decides to pursue a career as a club dancer. Starring Chevy Chase, Beverly D'Angelo, Randy Quaid, Christie Brinkley, and Wallace Shawn.