Madame Souza's grandson Champion becomes a skilled road racer with her as his trainer. During the Tour de France, he goes missing and evidence suggests he was kidnapped, along with two other competitors. Madame Souza, accompanied by her loyal dog Bruno, sets out to find him, leading them on a journey to the town of Belleville.

The Triplets of Belleville
A devoted grandmother and her loyal dog join forces with a charming pair of retired performers to embark on a daring mission to rescue her kidnapped grandson amidst the excitement of the Tour de France.