The Silent Evidence

High school student Lin Xiaoxiao was raped and brutally murdered near a public restroom right on school grounds. The only piece of evidence found on the body was of no help – experts were unable to extract DNA. The murder remained unsolved. Seven years later, forensic expert Qin Ming takes on the case. He has a personal motive – Xiaoxiao was his fiancée's cousin. Qin Ming delves into the case materials and realizes that Lin is just one of many... The killer believes his victims have fallen silent forever. But the forensic expert hears the silent witnesses. And with each victim, the voice of the silent evidence becomes louder until it turns into a desperate scream.