Yun Hee has a daughter named Hye Rim with Dong Woo. But Dong Woo's ambitions drive him to marry Yeong Joo, the daughter of his company president. But when Hye Rim dies in a car accident, Yun Hee explodes with rage. When the heir to the company, Yeong Guk, courts Yun Hee, Dong Woo begs her forgiveness and asks her to go away. But she refuses and Yeong Joo finds out everything. Yeong Guk falls in love with Yun Hee but when Dong Woo dies, she bids him farewell.