Kang Yuecang, a serial female killer who committed nine murders, is about to face the death penalty. On the eve of the verdict, Xiao Ruming, the handsome deputy captain of the criminal police team, comes to the cell to conduct a final interrogation of her. During the interrogation process, he finds that he is stepping step by step into the trap set by Kang Yuecang. He sinks deeper and deeper into the quagmire, but he unconsciously develops a symbiotic affection for the woman in front of him. Just as he was getting closer to the truth of the old case, Kang Yuecang also began to enter his heart...
Purpose: Criminal psychological analysis, case deconstruction and reasoning