十九世纪末正是巴黎的“美好年代”，新艺术百花齐放，新技术层出不穷，在这黄金盛世的背后却传出一连串女童被拐骗的声音，见义勇为的混血小公主迪丽丽和好友快递员踏上幻险旅程，穿梭于巴黎的各处名筑和大街小巷，拯救被困女童，途中邂逅居里夫人，毕加索，马蹄斯，罗特利特，莫奈，普鲁斯特，莎拉·波恩沙特，等众多时代天才名人，并得以慷慨相助。被誉为‘色彩魔术师’的法国动画大师米歇尔·欧斯洛继《叽里咕和女巫》、《夜的神话》、《王子与公主》等动画片大获成功之后，又一部经典之作问世。《迪丽丽的奇幻巴黎》勾勒了一幅绝美的巴黎风情画和群英谱。展示出现实题材和原创动画的可能性。本片《迪丽丽的奇幻巴黎》首次呈现真景与动漫结合的创作风格，实现了一场先锋动画革命。

The story opens in a Western saloon, where a young musician with a banjo begins to tell a tale of Lucky Luke and his sworn enemies the Dalton brothers: Joe, William, Jack and Averell. Luke has, once again, as he has done many times before, thrown the four outlaws into jail. The prison is also the abode of a guard dog named Rin Tin Can (Rantanplan in the original French language version). No sooner have the Daltons entered the jail than they are met by a lawyer named Augustus Betting. Betting informs the brothers that their Uncle Henry Dalton has died by hanging. However, over the course of his criminal career, Henry Dalton amassed quite a fortune, and has chosen to leave it all to his nephews on the condition that they kill the judge and jury who sentenced him to death. To make sure that the task is completed, Henry Dalton states in his will that his nephews must be accompanied by the only honest man that he has ever known, Lucky Luke. If the task is not successfully completed, the entire fortune will instead be given to charity. The brothers then decide to tunnel out of the jail, but end up digging into the dynamite storage building. When Averell lights a match, the building blows