Sa-ra is a hot-shot divorce lawyer and the daughter-in-law of the owner of Korea’s top law firm, Chayul. Through the case she took to be recognized as part of the Chayul family, she meets Gi-jun, her former lover from nine years ago. Gi-jun, who can’t stand seeing bad guys win, gives a piece of advice to Sa-ra, but she gets schemed by her husband, Yul-seong, and her mother-in-law. She gets divorced in disguise and even ends up in prison. Sa-ra becomes an ex-convict from a lawyer overnight.