Jacques Hélian, an attractive charm singer, too stifled by the jealousy of the radio director's niece, flees with his orchestra, on the advice of his secretary Bob. They fail in a small village, where there is a boarding school for young girls. Bob responds to the love letters the teacher sends to the handsome singer.
The rivalry between Albert Gambier, head of the municipal brass band, and the jazz band, led by Jacques Hélian, provokes many comic adventures in this small provincial town. Everything will end in songs, thanks to the love uniting Jimmy, the band's composer, and Nicole, Gambier's daughter.
