Cha Eun Kyung is a 17-year veteran star lawyer at Law Firm Daejung. Her specialty is in the field of divorce law. While working on divorce cases, she soon faces a crisis with her own potential divorce. At her law firm, she works alongside rookie lawyer Han Yoo Ri. They are entirely different from each other. Yoo Ri doesn't tolerate injustice, while Eun Kyung believes that the law firm's and her client's interests come first, no matter what. Due to their differences in values and experience, they disagree on everything. While working through their differences, they both experience a big change in their lives. They work with lawyers Jung Woo Jin and lawyer Jeon Eun Ho at Law Firm Daejung.