Victoria accidentally meets Yoona and Taecyoon, Her so called ex best friend and ex boyfriend in a hotel where she stays. She finds out that they got married. To salvage her pride, she said she was engaged to be married. They want to meet her so called fiancée. So, she had to produce one and fast.

             She went into the Bar Hotel. There she saw a guy who was the perfect choice to play the role. She took all the courage and went to meet the guy. His name was Nickhun. He agrees to her proposal in return, she had to come home with him to act as his fiancée.

             One month was the only length of their act but during that time she found herself falling for him. Is there any chance that he would also fall in love with her?