Si t'as besoin de rien, fais-moi signe (1986)

Once inseparable, Charles the artist and Daniel the schemer reunite after 15 years of separation and confess their mutual misfortune. Determined to start over, the two friends and Sylvie, a friend of Charles, take on the movie business. But they come up against the well-established laws of the business and create havoc wherever they go. But their optimism will save them.