Lionel Fribourg a great composer (at least that's what he thinks) has a problem with his noisy environment: he can't complete his unfinished symphony. Of course there is a market for unfinished symphonies but for all he knows only one became famous. So he had better find a way to finish it. At long last he comes across Agnès a divorced woman who agrees to let him her quiet home. Lionel full of hope resumes work...