People trust the conclusions in case files, surveillance footage, and witness testimony. They alone refuse to believe the silent truth hidden in cracks, dust, and traces.
Former trace-evidence investigator Xu Yun Zhao is forced to quit and opens a small evidence restoration shop.
Others look at a case and see the outcome. She sees the details no one else notices.
Wear, residue, color differences, stress fractures, electrical interference, accumulated dust, tiny discrepancies no one pays attention to...
Every little trace people overlook is evidence that never lies.
With minute traces, she tears open the truth behind the wrongful case of a police officer who disappeared ten years ago, and digs deep into a web of collusion between officials and businesspeople.
She also exposes one puzzling cold case after another, revealing the crimes disguised as accidents.
What you can see is the case. What you cannot see is the truth.