The story of a rich and popular girl, who happened to be poor inside. Lee Se Na is a wonderful girl, whose parents are divorced. One day, her life changes because she lost her fame, which is connected to her past. An additional weight to her depression is her assignments given to her by her professor. A not-so-ordinary professor, who is great but strict. With just a few words and one great action their relationship twists. Her professor turns into her servant. And he wants her to fall for her to make him higher than her again.