Shen Zhao was accused of being the real culprit in the serial murders, and the whole city condemned him. Jiang Yan vowed to send her to hell, but he didn't know that she was deliberately taking the blame just to lure out the real murderer who killed her sister. Reporter Su Wantang spreads rumors, prison doctor Bai Lu secretly delivers a secret letter, and deputy director Lu Zhaoyang follows every step - everyone is a chess player, and Shen Zhao is the only chess piece willing to burn his body to prove his truth. When Jiang Yansheng found his sister's diary among the old things in the storage store, the truth began to explode.