The story takes place in the modern city "Xinggang City". Song Yiwen and his team accepted a series of unsolvable mysteries: the disappearance of an ancient house, the serial parts murder case, the robbery of the century, and finally the behind-the-scenes layout case. There is human tenderness and humor behind every case. In the process of solving the case, they faced the choices of friendship, love, justice and revenge, and gradually uncovered the huge conspiracy that Ji Yuan had hidden for many years. The team continues to grow, and finally harvests the truth in a great showdown between wisdom and humanity, and the case comes to a perfect conclusion.
