Yoo Ga Eun is a sweet-natured girl who dated and subsequently married  her boyfriend, Park Jung Woo. However, she later discovers that her  husband had an affair with her best friend, Mi Ran, and that their  adopted daughter is actually Jung Woo and Mi Ran's lovechild. To get  revenge on them, she marries Maeng Ho Geol, a wealthy clothing retailer,  and carefully plots their downfall. At the same time, Ga Eun also meets  Ha Jae Bum, the man who falls deeply in love with her and promises to  support her by her side, no matter what she does.