The Griswold family—patriarch Clark, devoted wife Ellen,
teenage daughter Audrey, and younger son Rusty—win an all-expenses-paid trip to Europe on the fictional television game show *Pig in a Poke*. Eager to bond with his family and experience continental culture, Clark is relentlessly optimistic despite the glaring warning signs of impending chaos.Upon arriving in London, the vacation immediately spirals downward. Their luggage is lost, and Clark, unaccustomed to driving a manual-transmission Austin Maxi on the left side of the road, accidentally destroys a classic double-decker bus, a traffic circle, and Stonehenge. Undeterred, Clark continues the itinerary across the continent, dragging his increasingly miserable and exhausted family through France, Germany, and Italy.In Paris, the cultural divide widens. Audrey and Rusty become fascinated by European nightlife, rebelling against Clark’s rigid scheduling. Meanwhile, Clark’s persistent attempts to absorb French culture result in hotel room disasters and clashes with locals. They move on to Germany, where Clark’s ineptitude peaks during a visit to his supposed German relatives, who turn out to be total strangers tricked by Clark's terrible map-reading and wishful thinking. Throughout the journey, Ellen grows increasingly frustrated with Clark’s delusions of a perfect
family holiday, while the teenagers seek solace in each other's shared misery.The climax of the misadventure occurs in Rome. Ellen is inadvertently pickpocketed by a smooth-talking thief, and Clark is abandoned in the bustling city after getting separated from the family tour group. Desperate and broke, Clark is forced to navigate the Italian underworld and bureaucratic nightmares alone. Meanwhile, the rest of the family bickers in their hotel room, realizing just how much they rely on Clark’s bizarre brand of leadership, despite his flaws.Eventually, the family is reunited through a series of absurd comedic coincidences. Battered, bruised, and nearly penniless, the Griswolds realize their dream European vacation has been an absolute disaster. However, surviving the relentless onslaught of cultural mishaps ultimately strengthens their family bond. As they finally board the plane back to America, they are relieved to return to normalcy, though Clark stubbornly insists they had a wonderful time. They crash their luggage cart into the terminal doors upon arrival, proving that no matter where they go, the Griswold curse follows them home.