L'homme de ma vie stars Madeleine Robinson as Madeleine, who after being abandoned by her lover is forced to raise her baby all by herself. Supporting herself and her child as a prostitute, Madeleine manages to give her daughter an expensive girl's-school education, all the while keeping her own identity and profession a secret. The girl grows up to be an insufferable snob; nonetheless, Madeleine attempts to re-establish a relationship. Things take a sorry turn when the daughter takes drastic actions to defend her mother's honor.
