Liberal Wife '81.

After 10 years of marriage, Sun-young and Tae-yeon save up a significant amount of money. Tae-yeon runs a food processing company and works hard to expand business but Sun-young wants to enjoy the fruits of their labor. While partying with her friends, she meets fashion designer Pierre Kang and has an affair with him. When her infidelity is found out by her husband, he asks for a divorce. When he refuses to forgive her, she seeks it through suicide.