Im Yoona used to work as Ji Changwook secretary but one incident that happened during their company’s party, changed everything. Yoona has to left the company and she has to left Changwook to hide something from him. She was never in love and she is afraid to be in love since what had happened to her.

Ji Changwook is a typical playboy but he respects Yoona since she’s one of the employee that his father treasure the most. But he never knew that that one incident could change everything. He was never in love but right after she left, he finally realized that he is in love with her. Will he managed to find her?

Park Minyoung is an heir to a well known businessman.  She loves Changwook eventhough she knew that he doesn’t love her at all. She used her father to forced Changwook into marriage. She got what she wanted but just right a week before her wedding ceremony with Changwook, Im Yoona came back to their life. She knew what had happened between Yoona and Changwook and will she managed to forbid the same thing to happen again?