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.

Cast:Choi Ji-hee, Namkoong Won, Hah Myung-joong, Yun So-ra, Yeo Un-gye, Yu Pan-ung,

Genre:Drama, Mystery,

country:South Korea,

Production:Daeyoung Films Co., Ltd,