Former criminal police captain Chen Mo was framed as a serial killer. After being released from prison, he decoded a mysterious death prophecy letter in public, and the predicted victims came true one after another. The police determined that he was the murderer, and only young detective Zhao Zheng secretly helped. Chen Mo must find the real culprit before the prophecy is fully realized, but finds that all clues point to his most trusted partner Liu Jianguo, and the key toxicology report in the hands of forensic doctor Su Qing becomes the only hope to turn the situation around.
