A seven-year-old cold case. A girl vanished without a trace, and the scene was so clean it looked as though no one had ever been there.
The only clue: a fingerprint belonging to someone dead.
Senior detective Chen Feng reopens the case. Inspired by trace evidence consultant Su Zhe,
he uncovers the truth behind underground tunnels, bodies hidden in concrete, and a double cover-up.
Tight logic and twists at every turn. You won’t guess the real culprit until the very end!
This story contains no supernatural phenomena, transmigration, or paranormal elements. Every mystery is grounded in real-world criminal investigation logic.
