The protagonists in this article are the three members of the "Iron Triangle" - Qi Hanlin, Zhang Lingyun, and Kang Gushi. After graduating from Haicheng Public Security University, they joined the Second Serious Case Team of Xianqi Branch of Haicheng Public Security Bureau and started their own investigative journey. They experienced many difficulties and tribulations along the way, which made their friendship even more unbreakable. In the process of investigating the case again and again, they also learned a lot of knowledge and worked hard to make the Serious Case Team 2 shine again.
Intention: the hardships and difficulties of investigating the case