Season 1 of Divorce Lawyer premiered on April 15, 2004.

Takako Mamiya is a lawyer who quits her job at a prestigious law firm and establishes her own office. She confidently sets out to build her business, but soon her former firm is putting up obstacles and interfering, causing Takako's employees and clients to drift away. She finally puts together a new staff consisting of a college student who knows little about the law, a girl who applied for the job in hopes of meeting a rich guy, a hard-nosed lawyer, and a paralegal who hasn't passed the bar exam yet.

Season 2 of Divorce Lawyer premiered on April 19, 2005.

In the previous series, Takako Mamiya was an elite lawyer who handled public relations cases. She quit her job at a prestigious law firm to establish her own office. She confidently walked into her new office only to find that her former firm had interfered and taken all her lawyers and staff. They even took away her clients. Takako reluctantly started to handle low-paying divorce cases. Through her cases, though, Takako came face to face with "human drama" and matured greatly.