The cinematographic illustration of fifteen cheerful, tender or ferocious songs that made the success of the songwriter of the comedian Noël-Noël. After "Les casses pieds", "La vie chantée" stages several sketches of daily life where everyone can recognize themselves and laugh about it.
Mario di Donati, a deserter from the Italian army, lives in Paris under a false name with Germaine, his French lover. When the latter learns about his hidden past, she feels hurt by Mario's lack of trust in her and she distances herself from him. In despair, Mario surrenders to the law but, at the time of trial, he runs away to join the woman he loves.
L'Ange rouge is a cabaret run by a former mobster with his friend, a singer and dancer he brought back from Argentina. A fleeing gangster takes refuge in the cabaret. The singer and the gangster have an affair.
