The Trappings of Youth (1979)

Yun-hi has a daughter named Hye-rim with Dong-wu. But Dong-wu's ambitions drive him to marry Young-ju, the daughter of his company president. But when Hye-rim dies in a car accident, Yun-hi explodes with rage. When the heir to the company, Young-guk, courts Yun-hi, Dong-wu begs her forgiveness and asks her to go away. But she refuses and Young-ju finds out everything. Young-guk falls in love with Yun-hi but when Dong-wu dies, she bids him farewell.