A casual date at a high-class hotel leads Binnie, an aspiring showgirl, to be mistaken for model and actress Lia de Marita – landing her an audition for the producer of a new musical stage show. Marvelling at her good fortune, what Binnie doesn't know is that Lia is also the wife of a notorious jewel thief and that she's already fled the country in possession of a valuable, ill-gotten necklace!