Won Hana, has had a crush on the national star baseball player Kim Jin-Hwon for over 10 years since her high school days. Her admiration even went so far as to manifest in her future career as an Analyst for the baseball team, just so that she can see him during tournaments. But one day, Kim Jin-Hwon announces his departure from the Major Leagues and suddenly returns to Korea in hopes of playing domestically for 1 year. Kim Jin-Hwon joins the Black Hawks and so does Won Hana who soon realises there is an open position for an Analyst on the team. As a fan, this news comes in shock to Won Hana, because now she actually gets the opportunity to work with Jin-Hwon and be around him. Excited at this thought, she confesses to Jin-Hwon but he does not remember her from high school at all. He coldly rejects her and his real reason for giving up his standing in Major League baseball is revealed! Feeling disappointed and betrayed by her crush, Hana decides it's time to put her feelings aside and use Jin-Hwon's weakness as an excuse to ask him for contract sex. Hana believes that after having sex with Jin-Hwon 10 times, it should flush out all her feelings of him and allow her to let him go. However, what she doesn't know, is that contrary to the rumours of his promiscuous nature, Jin-Hwon who usually has severe mysophobia, becomes obsessed with Hana after their first time and soon wants more from her!