Ohn cannot stand men and is determined to avoid them at all costs. Unbeknownst to him, the shy, soft-spoken Seo-woo has a strong crush on him. In fact, his feelings are so intense that he has enlisted his more confident twin brother, Jae-woo, to serve as his stand-in and approach Ohn. However, as Jae-woo begins to invest too much of his own heart into the ruse, the distinction between who is courting Ohn becomes blurred. Will the brothers manage to overcome Ohn's hatred of men? And if they do, which twin will ultimately win Ohn's heart?