Gu Xuedong handed in Qian San, which is a very gratifying result, indicating that Su Rui's investigation work has made a major breakthrough.

Su Rui knows a lot about criminal investigation. He believes that in this world, as long as it exists, it will leave traces. Many crimes seem very clever and confusing. At first, they seem totally confused and have to be turned into headless cases and death cases.

Just like this time, after many years, the mysterious person standing behind must have worn away some traces and broken some clues artificially, but Su Rui believes that as long as he is willing to strip the cocoon to analyze,...