After Being Wanted by the Entire Internet, I Relied on Profiling to Kill a Serial Killer.

On the blood-painted chessboard, seven chess pieces surround his picture. Genius profiler Gu Cheng was framed as a serial killer and wanted across the internet. Master's handwriting suddenly appears at the crime scene, and the killer "Zero" is closing in on him step by step. He relied on profiling to get closer to the truth, but every time he restored the scene, he became more lost in empathy with the murderer - is the end of the pursuit of the murderer the truth or the abyss?