Sun Minyi (Liza Wang) opened the Sun Minyi Law Firm. After years of hard work, she finally gained a certain prestige and reputation in the industry. The eldest daughter Shen Yixin (Liu Chuoqi), son-in-law Xiong Zhida (Wai Yiu Cheung) and the youngest daughter Shen Yiyan (Myolie Wu) are all capable men under Sun Minyi. The family gathered together to run the firm in an orderly manner. Cheng Xueqin (Chen Jianfeng) is a new lawyer in the firm. He is handsome and young. After winning several lawsuits beautifully, Cheng Xueqin quickly won the appreciation and trust of Sun Minyi. As time went by, Shen Yiyan and Cheng Xueqin got closer and closer, and slowly developed feelings for each other. However, when Sun Minyi learned about this, she violently stopped the two from continuing to interact. What kind of secret is hidden in this?