James Trenton, Marquess of Angelford, a handsome and dissolute rake, is accustomed to the attention of the most beautiful courtesans in London... However, the too obvious sympathy shown to him by the new “queen of the demi-monde” Calliope Minton seems suspicious to him. The beauty is hiding something, but - What? James, burning with curiosity, decides to penetrate Calliope's secret plans - and, without noticing it, falls more and more desperately in love with this mysterious charmer...