Choi Sulli, a typical 21-year old college student, who's in her sophomore year. She always stays on top and will do anything to maintain that position, her parents decided to fixed marriage her with someone she hasn't even met, she decided to run away because of that and she meets Kim Soohyun, a 27-year old guy who dreams to be a professional photographer, sometimes obnoxious and has a bad temper  but can get crazy and funny. He lets Sulli live in his house since he lives alone, in exchange that she will be his maid.