Struggling singers and lovers Songbird and Piquillo have come to Prohibition–era New Orleans during Mardi Gras where American, French, and Spanish cultures are melded together to try their luck. But the licentious mayor Don Andrès preys on their poverty and arranges a sham marriage so he can have Songbird as his mistress. Can they overcome the corrupting power of Don Andrès and his scheming cronies to find happiness?