Elizabeth, a delivery girl, dreams of being a music-hall singer but she is refused at the first casting she takes part in. A bit depressed, she gets to know Victor, a would-be Shakespearean actor and another audition victim. When Victor quite unexpectedly gets a female part in a music-hall number he unfortunately finds himself voiceless. Why wouldn't Elizabeth replace it? His new friend hesitates but finally makes her debut as ... a man posing for a woman! She is noticed by McLintock, an influential talent agent who hires Mr. Victoria (Elizabeth's stage name) and launches his/her brilliant international career. One day, Robert, a handsome young man engaged to Princess Mironoff, makes friends with this young man posing as a woman posing as a man ...