Pu Zhe , the younger brother of the Emperor of Manchukuo, Pu Wen, marries Ryuko the daughter of a long-established aristocratic family - all in the interest of the Japanese rulers , which legitimizes the relationship between Japan and its Chinese puppet state. To the surprise of all , a deep love between Pu Zhe and Ryuko develops. It is put to the test when Japan loses the war, Manchukuo is dissolved and the imperial court must flee. The lovers now have to separate: Pu Zhe tries to escape to Japan with his brother , while Ryuko flees with her daughter Eisei over the country. A film on the relationship between Pujie (1907-94) , brother of the " last emperor " Puyi and his second wife, Marquise Hiro Saga (1914-87).