Han Ji-Won, a private banker who is as proficient at her job as she is at seducing men. When she meets up with Min-Joon, she sees a prime opportunity to add yet another name to her long list of conquests, but considering the man's own talents in the area of romance, it seems that things aren't going to be quite as easy as Ji-Won expects! Who will come out on top in this hilarious battle of the sexes?