From the mean streets of the Belleville district of Paris to the dazzling limelight of New York's most famous concert halls, Edith Piaf's life was a constant battle to sing and survive, to live and love. Raised in her grandmother's brothel, Piaf was discovered in 1935 by nightclub owner Louis Leplee, who persuaded her to sing despite her extreme nervousness. Piaf became one of France's immortal icons, her voice one of the indelible signatures of the 20th century.

FBI Agent Lemmy Caution is sent after a missing two million in Casablanca while mob boss mistress Carlotta plays both sides of the law.

Released from prison, Arlette returns to her job as a cabaret star. The police try to get her to confess where the stolen jewels are hidden.

The Count De Rochambeau wants to marry Mireille but she likes Etienne. The sister of Etienne, nicknamed "the girl with buttons" schemed with a friend to pose as a Russian princess to seduce the count and allow the marriage of his brother with Mireille.