An accidental case of self-defense linked to two other accidental death cases thirteen years ago.
Thirteen years ago in the summer, the fate of many people changed on that day.
The dead teachers and classmates will always live in the memory.
The living pursue the truth in their own ways.
Chen Chu, an anti-narcotics detective who temporarily bid farewell to the front line, returned to his hometown police force. As soon as he arrived there, he encountered a case of death caused by self-defense. He discovered that Xu Yi and his math teacher Jiang Jie were involved. Inextricably linked to the accidental death cases of mathematics teacher Wu Mei and Fa Xiao Song Hui thirteen years ago.
Was it really just an accident?
