The French sculptor Auguste Bartholdi makes a spectacular tour in the United States to raise funds that will allow him to complete the future Statue of Liberty. But several incidents are aimed at the statue and even directly Bartholdi. Lucky Luke is sent to escort the Frenchman to Paris. It is a cultural shock for the cowboy who, not content with crossing the Atlantic for the first time, discovers the splendor of the light city, and the way of life of his natives, Parisians.