Sixteen years ago, a major murder case occurred in Taojiang City. Ji Ou's father, a detective, became one of the victims inexplicably. His mother suffered a mental breakdown in her sophomore year of high school and chose to end her life. After the college entrance examination, he resolutely chose to enter the police academy and become a criminal police officer, just to investigate the truth of that year. Ji Ou originally planned to kill the murderer after finding him, and then committed suicide himself, but found out that the murderer was his lover's stepfather...
Concept: The distortion of human nature