Xiang Junxi, the captain of the criminal police team with rich experience in handling cases, has been working in front of the government for many years. Unexpectedly, a seemingly ordinary murder case has incredible twists and turns. The successive bizarre cases since then have made him increasingly realize that it is difficult to distinguish between good and evil in human nature. Is the victim or the murderer? God's will or human heart? Good or evil? This is worth thinking about.