Lin Yao met Gu Chenzhou during a crisis intervention mission, and the two intersected due to a case. As the investigation deepened, they discovered that the case involved unsolved cases from many years ago, and Lin Yao's past also had a secret connection with the case. The two gradually build trust in their cooperation, from testing each other to relying on each other. In the end, while uncovering the truth, they also find a bright future that belongs to them.
Purpose: Criminal investigation