Ten years ago, the father of the medical examiner was unjustly murdered, and the clues came to an abrupt end.
Ten years later, the headless female corpse surfaced from the bottom of the lake, and the iris mark on her waist reappeared.
Forensic doctor Dai Yu regained old evidence and followed the serial murders, tearing apart the layers of the organization's shady story step by step.
Old grudges remain, and new crimes occur frequently. He uses a scalpel as a blade to cut open the sins and comfort the souls of the dead.
Intention: The world is so big, there must be a place for you. Maybe, you just didn't find it.