Ten years ago, criminal investigation expert Cheng Mo relied on a perfect chain of evidence to send the "Rainy Night Butcher" to the execution ground. No one knew that there were three "logical vacuums" as thin as hair hidden in the dossier with solid evidence.
Ten years later, the rainy night reappeared, and new victims appeared. The method was like re-enacting the old case, but every "tribute" on the scene accurately exposed the flaws that were perfectly covered up back then.
Once the loopholes are revealed, it will not only be Cheng Mo's career that will collapse, but the credibility of the entire judicial system.
He must correct the "mistakes" he made ten years ago with his own hands before the media and the public discover it and before the imitator's "perfect crime" comes to an end. But this time, his opponent is not only a cold-blooded killer hiding in the dark, but also the conceited and perfect self he once was.
Is this carefully designed sacrifice to prove something, or to cover up a deeper sin?
