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.

• Daeyoung Films Co., Ltd
• Choi Ji-hee
• Nam Koong-won
• Ha Myeong-jung