Alex Berthier would love to be a famous songwriter. Meanwhile, he has to cope with unemployment, a witty 12 years old son and a rich and cute heiress who tries to help Alex as much as he tries to escape her: she brings nothing but trouble ! Fortunately, luck will strike again.

A film director is making a film about a woman's obsession with a foreign desert, starring drama students at the Paris Conservatory of Dramatic Arts.