Shirley and Dino arrive in Paris to take over a cabaret inherited from their uncle. On the verge of bankruptcy, the establishment is coveted by local hoodlums, ready to do anything to get rid of the new owners. But this is without counting on the inventiveness, innocence and tenacity of Shirley and Dino... who have one week to save their Cabaret Paradis.

Behind the scenes of the theater, while the last performance has just ended, the comedian returns to his box.

According to the book Journal Particulier de Paul Léautaud, the love story that was born between him and Marie D., whom he met at the Mercure de France in 1922, on the occasion of an article she wrote to appear.