Director Claude André Lalande illustrates the theme of three songs in images. We see and hear in turn Roland Gerbeau "Himalaya", Jacqueline François "From Montmartre to the Latin Quarter" and Jean Marco "The Ghost of Aunt Anna". This mini musical is one of the ancestors of music videos.

Micheline Bertier is as wise as she is graceful, and is the perfect assistant to her boss, couturier Maurice Darnal. Darnal's business is faltering and he has to close down. Micheline's family is also in trouble. Her crazy-headed sister is about to steal her fiancé away from her. At the suggestion of singer Jacqueline François, Micheline goes on tour as an accompanist, and meets up with Darnal in Nice, full of projects he wants to involve her in. Micheline, who arrives in time to save her sister from a suicide attempt, will know how to run the new fashion house.

A married industrialist maintains three mistresses. On the instructions of his wife, the tax inspector seizes the small notebook where he records his illegal dealings. After a stormy marital explanation, the industrialist decides to reduce his costs by getting rid of his mistresses and expresses the intention of returning to legality. But he realizes that everyone, even his wife, prefers the old situation, fraud and mistresses, thanks to which everyone found his little profit.