Lee Soohyun, a soon to be owner of Shinhwa  Company loves to wander around Korea and makes her parents worried. She tired of all company things that she decided to be a normal girl. Therefore, she went to search for a job.

But what happened if her boss wants her to be a butler? That's impossible. Girl can't be a butler.

Kim Myungsoo, a cold hearted guy. A soon to be the owner Woolim Company. Loves his mansion and Woohyun (as a friend) Once he is a joyful boy, after an incident that involved his girlfriend he decided not to fall inlove with anyone else. 

Sulli, Myungsoo's ex girlfriend. Cheated him for money. She comes back to Myungsoo with hopes that Myungsoo will accept her back as a lover they used to be.