Queen Victoria sends for the Duke of Sherbourne and asks him to undertake a very secret mission on her behalf. It is so secret that only his loyal valet, Jenkins, is told. The duke agrees and it takes him to Greece where he had not been for some years. He visits King George, whom he has known in the past. George has been very successful as king, although he was only 18 when he took over the throne. He is married to Princess Olga of Russia and they are extremely happy. The Duke envies them and though he has been pursued by a great number of beautiful women in London, he has never yet fallen in love. He consistently refuses to marry although his family begs him to produce an heir. Before the duke leaves Athens, he visits the Parthenon because he wants to againsee the view from the top, as it is the most inspiring in the world. When he reaches the top, the only other person there is a young and beautiful girl who he senses is about to commit suicide. The duke persuades Princess Thalia not to throw her life away in such a stupid fashion and he learns that she is being forced by her uncle to marry a Russian prince she detests.