Woman is Wind, Woman is Wind 1987 on netflix

Seong-hoon becomes involved in an illicit affair with Moon-ok, the second wife of Choi Seok-pa, the chairman of a conglomerate, after helping her to the hospital when she fainted from vertigo. Choi Seok-pa schemes to use Seong-hun to protect his fortune from Moon-ok, but soon comes to his senses. Seok-pa’s only daughter, Nan, falls in love with Seong-hoon, who has become cold-hearted in pursuit of his desires.