Enemies From the Past (2017)

Description:

Choi Go Ya (Choi Yoon Young) supports her family by doing part-time work. Her father had an affair and left home 10 years ago. She is now looking for a regular full-time job. Meanwhile, Min Ji Suk (Goo Won) is a lawyer who specializes in divorces. He is skeptical about marriage, but after he meets Go Ya and gets close to her, they face a difficult situation.