The funeral home delivered the mutilated body of the richest man's only son, and the criminal police team ruled it an accident. However, Shen Yan stitched up the body in public and sneered: "Are you sure he fell to death? Ask the deceased if he answered!" The whole audience was shocked. No one knows that as soon as the corpse oil lamp in his hand lights up, he can summon the soul of the dead to speak and solve the case. No one knows that he has been specially hired by the underworld to work part-time as the judge of the underworld. Before the unsolved case in the human world was settled, he was raised to court in the underworld - with his left hand buried in the coffin to sew up the grievances of the human world, and with his right hand the judge's pen pointed out the cause and effect of all ghosts!