Ji Lin was framed by her boss for fabricating evidence and was ruined. However, through an anonymous report, she revealed clues to the real culprit of a serial murder case that had not been solved for ten years. Shen Zhao was ordered to track him down, but unexpectedly discovered that his father had personally covered up the truth. When the handwritten notes of forensic doctor Chen Yanqiu, the auditory memory of blind Lin He, and the remaining data of archivist Zhou Yan emerged one after another, a shady storm spanning the three circles of politics, business, and police began to sweep across the city. They are not chasing the murderer, they are overturning the entire prison.
