On the eve of the execution, Zhou Cheng faced Shen Lan, a psychologist who came to comfort him, and suddenly handed over the hidden prisoner number plate, which had the DNA sequence of the real murderer engraved on it. The detectives in the audience were silent - it turned out that he had been waiting for this moment. Shen Lan urgently reviewed the forensic report provided by Chen Min and found that the angle of the fatal wound did not match Zhou Cheng's height. Fang Zijian trembled and pointed out that Zhao Guangping appeared at the scene that night. The recording handed over by Han Lu in time revealed the mastermind behind the scenes. In the twelve-hour countdown, every step is tearing apart the iron curtain of the police station.
