A small town electrician becomes a hit singer in New York. When he was asked to sing for a local radio program. Where he gets involved with a gold digger, a thief, an opera singer and the woman he loves. After suffering from bronchitis he uses another voice to still be on the air but then everyone calls him a fake.
Joan Bradford is a society heiress who rebels against her mother's choice of a future husband by masquerading as a working class girl and dating a window washer.
¡Tango! follows a formula established by Carlos Gardel with films such as Luces de Buenos Aires (The Lights of Buenos Aires, 1931) in which a melodramatic story is interspersed with tango songs.
It is a revue film, loosely based on the stage work Karl III. und Anna von Österreich by Manfried Rössner. Karl Zimmermann, a composer whose idols are Johann Sebastian Bach and classical composers, dreams of being successful with his own opera and composes popular music for fun, but does not try to distribute it for reasons of honor. His wife, Anni Pichler is a popular singer and secretly sells his popular songs so that they can make a living. When he finally completes his opera and it is rejected by the public, he realizes that his true talent is composing popular music and not dishonorable.