Mai Daqi is a genius in the legal field, but he put his lawyer's license aside because he was dissatisfied with the profiteering of the law firm. It was not until four years ago that an air crash suddenly took the lives of his parents and his fiancee. In order to seek justice for his family, Daqi returned to the legal profession and brought down the first-class lawyer team of American Airlines in one fell swoop. After this case, Mai Daqi became famous, and many people asked Mai Daqi to represent them in lawsuits, but Mai Daqi was not interested. Until Tian Yuxin approached him for a claim for compensation for victims of an audition event, Mai Daqi was moved by the victim's experience and Tian Yuxin's sincerity, and took over and won the case. After that, Daqi gradually walked out of the haze and confusion, and began to use the law to help the weak safeguard their rights and interests, and to use the law to safeguard the justice in his heart. Mai Daqi was deeply influenced by Tian Yuxin's cheerful personality and her help at work. The two gradually became familiar with each other and became a golden partner, handling many difficult cases together. Unexpectedly, a murder case involves three unsolved cases involving the murder of Tian Yuxin's father eighteen years ago. The mystery is so thick that it is hard to tell the truth from the false. How can the two solve these mysteries and reveal the final truth! ?