In order to help the parties involved in a murder case clean up their innocence, the rookie Dai Machiko (played by Yui Aragaki) of Miki Law Firm found the legendary lawyer Gu Meimen Kensuke (played by Masato Sakai) under the guidance of the president's secretary Sawachi (played by Eiko Koike). Gu Meimen has a very high defense ability. In order to win the victory, he did not hesitate to use any means. He has maintained an impressive record of victory so far. He was also a proud student under Miki (played by Katsuhisa Namase). However, an incident 5 years ago led to the breakup of the two giants in the legal profession. In view of the huge legal fees, Gu Meimen agreed to come out of the mountain. He won the lawsuit with his eloquence and ability to reverse black and white. After that, Dai joined Gu Meimen's firm to continue her practice as a lawyer, and the following series of lawsuits put the long-standing grievances between Gu Meimen and Miki back on the table. This is also a contest of law and justice...