Chen Ran has been secretly investigating since his father went to prison. After Jeff arrived at the company, two criminal defense lawyers with different core concepts gradually got to know each other. With the successful resolution of some authorized cases, the two have close relations and trust each other.
The Lady's Rule takes the lawyer industry as the breakthrough point, and revolves around the stories of two lawyers: the rational and decisive lawyer Xu Jie (Jiang Shuying) and the gentle and considerate Chen Ran (Liu Mintao). They move from differences to mutual appreciation, and finally become the best partners to find out the truth hand in hand.
Through their workplace and life, the different lives of other characters in the play are connected in series. Chen Ran, a senior female lawyer played by Liu Mintao in the play, has a capable appearance, distinctive personality and unique charm. Coupled with Liu Mintao's unique personal temperament and high audience love, this role attracted much attention at the beginning of the drama preparation, which triggered a lot of hot discussions among netizens.