Oh Sunhee's teacher has announced to her class that there is an opportunity to be an intern at a successful business corporation for four months. When she heard the news, Sunhee jumped at the chance, wanting to experience the business life first hand and gain more knowledge in the field. She thought it would be one of the best experience of her life but she was terribly wrong. Her mentor, though very attractive, has got to be the most bitter and cold person she's met in her entire life. Suddenly, four months sounds like four years and each hour is painfully slow.