Alberto Bazán (Carlos Gardel) plays a young man living the good life in NY at the expense of his rich uncle Don Indalecio Bazán (Jaime Devesa). When his uncle suddenly arrives in NY soon discovers the money he regularly sends to his nephew is used in women and drinks instead of in business as he was told. So Alberto decides -with the cooperation of his fiancée, his secretary and his manager- to turn his uncle into a good life fond too in order to keep the same way of living.