Yu Pan-ung

Se-ran, the mistress of Hyeon-ma, lives in a massive traditional-style house called "Blue Mansion"in the suburbs of Seoul with her sister Mi-ran and their maid. One day, Hyeon-ma comes to the house with his newly-employed handsome male secretary/secret lover Dan-ju.

During the Japanese control of Korea during WWII and before, they used Korea women as prostitutes for their Military Officers and Korean men as grunt soldiers to fight in the trenches during the war with the USA.