Series Killing in Hengshui High School

A tragic incident occurred at Hengshui High School when another student took their own life by jumping from the building. Officer Song Tianqi, a young policeman, was assigned to investigate the case. While most evidence pointed to suicide, a mysterious pair of glasses left at the scene raised his suspicions. Determined to uncover the truth, Song Tianqi teamed up with two students, Li Musha and He Mi’na, to dig deeper into what really happened.