Clark and Ellen Griswold embark on a trip to visit their son Rusty and his family. Clark has planned a romantic interlude along the way, but it turns into a disaster.

On their way to visit their son Rusty and his family, the merry holidaymakers Clark and Ellen Griswold, still using that reliable Wagon Queen Family Truckster they drove in National Lampoon's Vacation (1983), decide to stop at a fancy hotel called Le Grand Connard. But at that supposedly sophisticated establishment, anything that can go wrong will go wrong, ruining Clark and Ellen's brief second honeymoon. Can the Griswolds survive the Hotel Hell Vacation?—Nick Riganas