Gu Yuanzhou, a senior partner of a top law firm, disguised himself as a young lawyer to meet with the defendant Zhao Donglai. The other party sneered and confessed, only to find out that he was actually his immediate superior. Taking advantage of the situation, Gu Yuanzhou and his apprentice Su Mingzhe went deep into the business behind the case, but unexpectedly got involved in his father's old case. Ex-girlfriend Lin Wei is pressing harder, prosecutor Zhou Jun is secretly restricting her, and secretary Sun Lin's betrayal has made the situation out of control. In the game between law and human nature, who is the real judge?