Burdened by debt after a long dry spell, actor Marius de Villeduc finds himself forced to accept the lead role in the new film by Richard Favard, a promising actor-director whom he knows nothing about. However, in order to receive his full fee, he must agree to one condition: participate in the preview tour! Alongside Richard, Colette, and Lulu, Marius reluctantly sets off on a chaotic and colorful road trip across France.