In Paris, at the Foire du Trône, the showman Titin from Martigues spins the perfect love with the pretty Yvette, which arouses the jealousy of his rival Dix-de-Der who will cause his downfall. Without this affecting his Provençal joviality, Titin will try his hand at various odd jobs without ceasing to push the song.

Sentimental and emotional problems for a certain Jean Mariole who can hardly really position himself between two mistresses.

Georges, hunted by the Germans, had taken refuge with his brother, Commissioner PJ Paris. Once released, he teams up for the sake of a girl with the lackluster Zattore. A bank is robbed, but the police is fast and Georges will either lose his life.